My father died of colon cancer at 62. By the time they found it, it had spread to his liver. He'd never had a colonoscopy—too uncomfortable, he said, too embarrassing. The irony is that colon cancer, when caught early through screening, is among the most treatable cancers. By the time it causes symptoms, it has too often progressed beyond what medicine can address.
I've shared this story many times because it illustrates something crucial about preventive medicine: the tests and screenings that feel like a hassle—colonoscopies, mammograms, blood draws—are the interventions that save the most lives. They're not there to find problems when it's too late; they're there to find problems before they become problems, when treatment is most effective.
After 50, the screening recommendations change and expand. Your healthcare provider should be talking to you about which tests you need and when. If they're not, this article will give you the information to advocate for yourself.
The Principle Behind Preventive Screening
Preventive screenings work by detecting conditions early, before symptoms develop. For some conditions, early detection makes a massive difference in outcomes. Cancer caught at stage I is often curable; cancer caught at stage IV often isn't. Cardiovascular disease found early can be managed with lifestyle changes and medication; a heart attack that reveals the disease is a crisis.
Not every screening is appropriate for every person. The recommendations here are general guidelines based on average risk. Your personal and family history, your ethnicity, and other factors may mean you need earlier or more frequent screening, or that certain tests aren't relevant to you. Work with your healthcare provider to develop a screening plan that's right for you.
Cancer Screenings
Colorectal cancer screening is one of the most important preventive measures for adults beginning at age 45 (recent guidelines have lowered the starting age from 50). Options include colonoscopy every 10 years, or various stool-based tests that can be done more frequently. Colonoscopy allows direct visualization of the entire colon and can remove polyps before they become cancerous. If you've avoided this test because of discomfort, know that the preparation has improved, and the test itself is usually not nearly as bad as people expect. And colon cancer is the second leading cause of cancer death—worth a bit of temporary discomfort.
Breast cancer screening with mammography is recommended for women beginning at age 40-50, depending on guidelines and individual risk factors. The debate about screening frequency and whether to use 2D or 3D mammography continues among experts, but the consensus is clear: regular mammography saves lives by finding breast cancer early. If you have a family history of breast cancer, you may need earlier or more frequent screening, possibly including genetic testing.
Cervical cancer screening continues after 50, though the frequency may change. The HPV vaccine has changed the landscape of cervical cancer prevention, but if you weren't vaccinated, screening remains important. Discuss with your provider what's appropriate for your situation.
Prostate cancer screening is more controversial. The PSA test can find prostate cancer early, but many prostate cancers are slow-growing and may never need treatment. The decision to screen should be an individual one, informed by discussion of risks and benefits, particularly for men with a family history of prostate cancer or men of African descent, who are at higher risk.
Lung cancer screening with low-dose CT is recommended for adults aged 50-80 who have a 20 pack-year smoking history and currently smoke or have quit within the past 15 years. If you meet these criteria, this screening can reduce lung cancer mortality significantly.
Skin cancer screening is recommended for everyone. Regular skin self-exams and periodic professional skin checks, especially if you have risk factors or a history of sun exposure, can catch skin cancers—including potentially deadly melanomas—early.
Cardiovascular Screenings
Blood pressure should be checked at least annually. High blood pressure usually has no symptoms but causes progressive damage to arteries and the heart. If your blood pressure is elevated, you'll need more frequent monitoring and likely treatment.
Cholesterol panel (lipid profile) should be checked at least every five years, more frequently if you have elevated levels or other risk factors. This measures total cholesterol, LDL ("bad" cholesterol), HDL ("good" cholesterol), and triglycerides. Your healthcare provider will help you interpret the results in context of your overall risk.
Blood sugar screening with a fasting glucose or HbA1c test should begin at 45 and repeat every three years if normal. Earlier or more frequent testing is warranted if you have risk factors for diabetes (obesity, family history, certain ethnic backgrounds).
Abdominal aortic aneurysm (AAA) screening with ultrasound is recommended for men aged 65-75 who have ever smoked. This one-time screening can detect dangerous ballooning of the main artery in the abdomen before it ruptures—a catastrophic event that is often fatal.
Bone Health
Bone density testing (DXA scan) is recommended for all women at age 65 and older, and earlier for women with risk factors. Men over 70 should also consider bone density screening. Osteoporosis—low bone density that increases fracture risk—is common and underdiagnosed. If caught early, it's very treatable with lifestyle changes and medication if needed. Fragility fractures (broken bones from minor falls) in older adults can be devastating, leading to loss of independence and even death. Preventing them is much better than treating them.
Our Bone Density Tool can help you understand your risk factors for osteoporosis and what you can do to protect your bone health.
Hepatitis C
All adults born between 1945 and 1965 should be screened for Hepatitis C at least once, regardless of other risk factors. This "Baby Boomer" generation has higher rates of undiagnosed Hep C, which can cause liver damage, liver cancer, and other problems if left untreated. The treatment for Hep C has improved dramatically and can now cure most people, but you can't benefit from treatment if you don't know you have it.
Dental and Vision
Dental health is often overlooked in preventive care, but it's important. Regular dental checkups and cleanings (at least annually, ideally every six months) can prevent tooth decay, gum disease, and catch problems early. Oral health affects more than your mouth—gum disease has been linked to cardiovascular disease and other systemic conditions.
Vision screening should continue with dilated eye exams every 1-2 years after 50, or more frequently if you have diabetes, glaucoma risk factors, or other eye conditions. Cataracts, glaucoma, and macular degeneration become more common with age, and early treatment can preserve vision longer.
Vaccinations
Preventive health isn't just about finding disease—it's also about preventing it through vaccination. Recommended vaccines for adults over 50 include:
Annual flu vaccine (recommended for everyone over 6 months, but especially important for older adults)
COVID-19 vaccine and boosters as recommended
Shingles vaccine (Shingrix) for adults over 50, even if you've had the older Zostavax vaccine or had shingles before
Pneumonia vaccines (PPSV23 and/or PCV20/PCV15) for adults over 65, or earlier if you have certain risk factors
Tdap booster (tetanus, diphtheria, pertussis) if you haven't had one in the past 10 years
Our Vaccination Tracker can help you keep track of which vaccines you've had and when you might be due for your next one.
Building Your Preventive Care Relationship
The key to preventive care is consistency. Find a primary care provider you trust and can work with over the long term. The best preventive care comes from a relationship where your provider knows your history, understands your values, and can help you navigate the complex decisions about what screening is right for you.
Come prepared to appointments: know your family history (especially for cancer and cardiovascular disease), bring a list of questions, and don't be shy about advocating for the screening you think you need. If your provider dismisses your concerns, you have the right to ask for clarification or a second opinion.
Preventive care is an investment. The time and discomfort of screenings and checkups is trivial compared to the suffering prevented by catching disease early. My father's colon cancer, caught early, would have been a minor outpatient procedure. Found as it was, it took his life. Don't make his mistake.