Men
Healthy Aging for Men in Their 40s
For US men in their 40s, injury, heart disease, suicide and cancer lead mortality. Prevention must cover mental health, safety and screening.
Your 40s can feel like the decade you’re too busy to think about your health. Work and family are at full volume, and nothing is obviously wrong yet. But this is when the risks that shape living longer and better start to show up in the data. Humanic Blue looks at the risks by decade, not at a generic list of things to worry about.
In final 2024 US mortality data, unintentional injury, heart disease, suicide and cancer were the four leading causes of death for men ages 35 to 44. At ages 45 to 54, heart disease moved to first, followed by injury, cancer and suicide; chronic liver disease ranked fifth. The guidance discussed below covers safety and substance use, blood pressure, cholesterol and diabetes risk, mental health, colorectal screening from 45, and prostate-screening decisions based on age and risk. Testosterone is usually not the headline.
We organized the decade by what actually threatens men’s health at this age, and what can be done about each.
Key Takeaways
- At ages 35 to 44, injury, heart disease, suicide, cancer and homicide are the five leading causes of death among US men; at 45 to 54, heart disease, injury, cancer, suicide and chronic liver disease lead. These rankings come from final 2024 vital statistics.
- The 2024 US suicide rate among males, adjusted to allow comparisons between populations with different ages, was about four times the female rate. The figures come from final 2024 vital statistics.
- Prostate-screening guidance differs: the US Preventive Services Task Force’s (USPSTF) still-current 2018 recommendation addresses individual decisions at 55–69, while the American Cancer Society and American Urological Association/Society of Urologic Oncology (AUA/SUO) advise earlier discussions for some higher-risk men. These organizations differ on the starting age.
What threatens men’s health in their 40s?
The ranking comes from the National Center for Health Statistics’ final 2024 cause-of-death report. It is specific to US males of all races and origins and uses the underlying cause recorded on death certificates.
The pattern shifts across the decade. Injury leads by a wide margin at ages 35 to 44, with heart disease, suicide, cancer and homicide following. At 45 to 54, heart disease leads, followed by injury, cancer, suicide and chronic liver disease. The exact counts are in Extra Insights. Rankings depend on the age band and the list of eligible causes; they describe population burden, not one man’s probability of dying from a particular cause.
Heart disease: the numbers to know
Heart disease deaths were more than twice as numerous in the 45–54 group as in the 35–44 group, although the older band also contains a different population and the counts do not measure one person’s change over time. Several modifiable risks can be assessed in routine care.
Blood pressure. The USPSTF recommends screening all adults and suggests annual checks from 40, as covered in What Health Screenings Do You Need in Your 40s?
Cholesterol and risk estimate. The 2026 American College of Cardiology/American Heart Association (ACC/AHA) guideline uses the PREVENT calculator to estimate 10-year risk for adults 30 to 79. It also recommends measuring lipoprotein(a), or Lp(a), an inherited blood-fat particle linked to cardiovascular risk, at least once in adulthood. Which tests matter, and when, is covered in What Blood Tests Should I Get for Longevity?
Blood sugar. The USPSTF recommends diabetes screening from 35 for adults with overweight or obesity.
Erections as a signal. The 2024 Princeton IV consensus treats erectile dysfunction as a cardiovascular risk marker, although an association does not identify the cause in one man. That’s covered in Is Erectile Dysfunction a Sign of Heart Disease?
What separates a comparison of death counts by age band from an individual risk estimate?
Which cancer-screening conversations begin in this decade?
Colorectal screening begins at 45 for average-risk adults under USPSTF guidance.
Prostate screening is a conversation, and the timing depends on risk. The USPSTF recommends an individual decision about periodic prostate-specific antigen (PSA) screening for men 55 to 69 after discussing potential benefits and harms. That recommendation dates to 2018, and the Task Force currently lists an update in progress.
The American Cancer Society advises discussing screening at 45 for Black men and men with a father or brother diagnosed before 65, and at 40 for men with two or more affected close relatives (father or brothers) diagnosed early. The 2023 AUA/SUO guideline recommends offering screening from 40 to 45 to people at increased risk because of Black ancestry, an inherited gene variant that raises risk or a strong family history. These are professional-group recommendations; the AUA guideline rates its statement Grade B, while the USPSTF says direct evidence for starting before 55 in high-risk groups was inadequate when it last reviewed the question.
These organizations frame screening as a trade-off between possible benefits and harms that each man weighs with his clinician.
How do eligibility and possible harms change a screening discussion beyond the starting age?
Suicide and mental health
It belongs on the same list as blood pressure and cholesterol.
In final 2024 data, the age-adjusted suicide rate was 22.3 deaths per 100,000 among males and 5.6 among females—about a fourfold difference. Suicide ranked third among men ages 35 to 44 and fourth at ages 45 to 54. The CDC analysis also found that the rate for males ages 25 to 44 fell from 29.8 in 2023 to 28.5 in 2024; a one-year decline does not make the risk trivial.
The USPSTF recommends adult depression screening when systems exist for diagnosis and care, but finds evidence insufficient for routine primary-care screening specifically for suicide risk. That evidence gap does not mean ignoring warning signs. For anyone in crisis, the 988 Suicide & Crisis Lifeline takes calls and texts at 988 in the United States.
Liver disease and alcohol
Chronic liver disease and cirrhosis, permanent liver scarring, ranked sixth among men ages 35 to 44 and fifth at 45 to 54 in 2024.
The CDC’s guidance on alcohol says people can lower health risks by drinking less or not at all. A candid conversation with a clinician about how much you drink is part of assessing liver risk.
Is sleep apnea more common in men?
Obstructive sleep apnea, repeated narrowing or closing of the airway during sleep, is more common in men. Researchers used overnight sleep testing in employed Wisconsin adults to estimate how common the condition was, accounting for age, sex and body weight. They applied those estimates to 2007–2010 US weight distributions. They estimated moderate-to-severe sleep-disordered breathing in 10% of men ages 30 to 49 versus 3% of women. Those are older, modeled population estimates—not a current diagnosis rate. Loud snoring, witnessed pauses and daytime sleepiness are reasons to ask a clinician about evaluation.
What about testosterone?
Testosterone is heavily marketed to men in midlife. A 2026 Endocrine Society statement says population screening of asymptomatic men is not supported and that diagnosis requires compatible symptoms plus consistently low, accurately measured testosterone. Its clinical guideline calls for confirmation with a repeat morning fasting measurement. The details are in What Are the Symptoms of Low Testosterone?, which also covers why testosterone therapy has not been shown to extend life in otherwise healthy men.
Fatigue, low libido or low mood in your 40s can have many causes, including sleep apnea, depression, alcohol and medications. The low-testosterone article covers how clinicians sort through them.
Muscle and fitness
Federal physical-activity guidance calls for adults to combine weekly aerobic activity with muscle-strengthening activity on at least two days. The observational and trial evidence behind strength and fitness is covered in Why Muscle Matters for Longevity and VO2 Max and Longevity.
What’s Interesting
Men’s-health marketing in the 40s often centers on testosterone. The death data put injury and suicide beside heart disease and cancer, with homicide in the top five at 35–44 and chronic liver disease in the top five at 45–54. That makes safety, mood and substance use part of the same conversation as blood pressure and cholesterol.
What This Means in Practice
- Blood pressure and diabetes: USPSTF guidance covers blood-pressure checks and diabetes screening for eligible adults; the ACC/AHA guideline covers cholesterol testing and cardiovascular risk estimates.
- Family history and screening: The American Cancer Society and AUA/SUO use family history to help determine prostate-screening timing. USPSTF guidance begins average-risk colorectal screening at 45.
- Alcohol, drugs and mood: These can affect several causes of death discussed here, rather than fitting into a separate category of health.
- Snoring or daytime sleepiness: These symptoms can be discussed with a clinician when considering possible sleep apnea.
- If you’re in crisis, call or text 988.
A primary care clinician is the right starting point for all of this. A urologist handles prostate questions and erectile dysfunction evaluation, a sleep physician handles apnea testing, and a mental health professional handles depression and substance use.
Bottom Line
Healthy aging for men in their 40s starts with what actually threatens health at this age: injury, heart disease, suicide and cancer, plus homicide in the younger half of the decade and liver disease in the older age band. The named guidelines above address blood pressure, cholesterol and diabetes risk, colorectal screening from 45, and prostate-screening discussions for men whose age or risk warrants them. The mortality data also explain why safety, alcohol and mood matter to living longer and better. Testosterone is usually not the lead story. Guidelines still differ on prostate-screening timing, so a primary care visit that covers the whole risk picture is a practical starting point.
A NOTE FROM LONGEVITY365
We read research, consult expert perspectives and work to make complicated health information easier to understand. What you’re reading here reflects how we’ve interpreted and organized that information. It is educational content—not personal medical advice, diagnosis or treatment guidance.
We’re not perfect, and neither is the available research. Evidence changes, new studies emerge and what’s appropriate for one person may not be appropriate for another.
Use this article as a starting point for your own research and conversations with qualified professionals. Always talk with your doctor or another trusted healthcare professional before making decisions that could affect your health, particularly if you take medications, are receiving treatment, have existing health conditions, are pregnant or have other circumstances that could affect what’s appropriate for you.
Reader Questions
A few questions to carry into the comments or your next conversation. Please leave out identifying or personal medical details.
- 01Which part of men's healthy aging does the article make easier to discuss clinically: symptoms, risk, testing, sexual health, muscle, or weight?
- 02What would help separate a useful medical conversation from generic anti-aging marketing?
- 03What question would you want answered before turning this topic into a test, treatment, or long-term plan?
Extra Insights & Sources
The evidence summaries and linked sources behind this article.
What We Know
- Injury, heart disease, suicide and cancer are the four leading causes of death among US men ages 35 to 44; heart disease, injury, cancer and suicide lead at 45 to 54. Established for 2024.
- The 2024 age-adjusted male suicide rate was about four times the female rate. Established.
- Moderate-to-severe sleep-disordered breathing was modeled at 10% among men ages 30 to 49 using Wisconsin cohort data and 2007–2010 US weight distributions. Supported but dated and model-based.
- Blood pressure, cholesterol, diabetes and colorectal screening have established schedules. Established.
What We Don’t Know
- The best age to start prostate screening. The USPSTF and the American Cancer Society differ, and the USPSTF is updating its recommendation. Contested.
- How much a single decade’s changes add to lifespan for an individual. Population risks don’t translate into personal forecasts. Unknown.
Mortality counts by age band
| Rank | Men ages 35–44 | Deaths | Men ages 45–54 | Deaths |
|---|---|---|---|---|
| 1 | Unintentional injury | 21,269 | Heart disease | 20,906 |
| 2 | Heart disease | 7,958 | Unintentional injury | 18,185 |
| 3 | Suicide | 6,786 | Cancer | 15,588 |
| 4 | Cancer | 5,104 | Suicide | 5,954 |
| 5 | Homicide | 3,349 | Chronic liver disease and cirrhosis | 5,299 |
Source Materials
- Tejada-Vera, Bastian and Miniño, Deaths: Leading Causes for 2024 (NCHS, 2026) — Final National Vital Statistics System report based on all death certificates filed in the 50 states and Washington, DC, in 2024. The male-specific age tables supply every rank and count used here. Rankings describe underlying-cause frequency among eligible categories; they are sensitive to the chosen age band and do not estimate an individual’s future risk.
- Garnett and Zehner, Changes in Suicide Rates in the United States From 2023 to 2024 (NCHS Data Brief 572, 2026) — Final national death-certificate analysis. The 2024 age-adjusted rates were 22.3 per 100,000 for males and 5.6 for females; the male rate at ages 25–44 fell from 29.8 to 28.5 between 2023 and 2024. These are population mortality rates, not estimates of attempts, thoughts or an individual’s risk.
- USPSTF, Depression and Suicide Risk in Adults: Screening (2023) — Recommends depression screening in adults when positive results lead to evaluation and evidence-based care. It separately concludes that evidence is insufficient to determine the benefits and harms of primary-care screening specifically for suicide risk; that is not a recommendation to withhold assessment or crisis care when warning signs are present.
- National Institute of Mental Health, Suicide Prevention — Federal crisis resource directing people in suicidal crisis or emotional distress to call or text 988 and to use 911 or an emergency department for life-threatening situations. It is an action resource, not prevalence evidence.
- USPSTF, Hypertension in Adults: Screening (2021) — Current US recommendation to screen all adults 18 and older and confirm an office result outside the clinical setting before treatment. The suggested annual interval from age 40 is a practice consideration based on limited interval evidence, not a trial-tested universal schedule.
- ACC/AHA, 2026 dyslipidemia-guideline announcement — Current professional guidance supporting PREVENT risk estimation from age 30 and at-least-once adult Lp(a) measurement. This is a guideline announcement rather than a primary trial, and treatment depends on the complete risk discussion.
- Köhler et al., Princeton IV cardiovascular/erectile-dysfunction consensus (2024) — Multispecialty expert consensus treating erectile dysfunction as a cardiovascular risk marker and recommending cardiovascular risk assessment. It is a consensus review rather than a prospective test of screening outcomes and does not show that cardiovascular disease causes every case of erectile dysfunction.
- USPSTF, Prediabetes and Type 2 Diabetes: Screening (2021) — Current recommendation for asymptomatic nonpregnant adults ages 35–70 with overweight or obesity. It notes earlier or lower-BMI consideration for some higher-prevalence populations and says the optimal interval after a normal result is uncertain.
- USPSTF, Colorectal Cancer: Screening (2021) — Current recommendation to offer average-risk screening from age 45. The evidence for mortality benefit is strongest from age 50, while the 45 start is supported partly by modeling and increasing incidence in younger birth cohorts.
- USPSTF, Prostate Cancer: Screening (2018; update in progress) — Still-current federal recommendation for an individual PSA decision at ages 55–69 and against screening at 70 and older. The Task Force found a small potential benefit for some men, meaningful false-positive, overdiagnosis and treatment harms, and inadequate direct evidence for starting high-risk groups before 55; the page is explicitly under update.
- American Cancer Society, prostate-cancer early-detection recommendations — Professional-group guidance advising informed discussion at 50 for average risk, 45 for Black men and men with one first-degree relative diagnosed before 65, and 40 for men with more than one first-degree relative diagnosed early. It differs from the USPSTF and is not a trial.
- AUA/SUO, Early Detection of Prostate Cancer Guideline (2023) — Professional guideline recommending an offer of screening at 40–45 for increased-risk people defined by Black ancestry, germline mutations or strong family history (Grade B). Its modeling suggests earlier starts trade a small increase in possible lives saved for substantially more PSA tests; the restricted source is paraphrased, not quoted.
- CDC, About Moderate Alcohol Use — Current federal public-health guidance stating that drinking less or not drinking lowers risk compared with drinking more. It is general guidance and does not diagnose the cause of liver disease in an individual.
- Peppard et al., Wisconsin Sleep Cohort prevalence analysis (2013) — Cohort and modeling study using overnight sleep testing (polysomnography) from 1,520 employed Wisconsin adults ages 30–70, with repeat invitations every four years, extrapolated to 2007–2010 US body mass index (BMI) distributions. It estimated moderate-to-severe sleep-disordered breathing in 10% of men and 3% of women ages 30–49. The sample was regional and employed, the national estimates were modeled and the population inputs are now dated.
- Endocrine Society, testosterone-replacement statement (2026) and 2018 clinical guideline — Current statement and underlying professional guidance supporting diagnosis only when compatible symptoms accompany consistently low, accurately measured testosterone, with repeat morning fasting confirmation, and not supporting general-population screening of asymptomatic men. These sources concern diagnosis and appropriate treatment, not longevity benefit.
- Office of Disease Prevention and Health Promotion, current Physical Activity Guidelines — Federal guidance for adults to combine aerobic activity with muscle strengthening on at least two days each week. It supplies a population activity target, not an individualized exercise prescription.
Leave a Reply