What is Prostate cancer?

Prostate cancer is a disease in which cells in the prostate gland begin to grow uncontrollably. The prostate is a small gland in men, just below the bladder, that helps make semen. Almost all prostate cancers start in the gland cells (called adenocarcinomas). In many cases, prostate cancer grows very slowly. Early on it often causes no symptoms. When symptoms do appear (often in advanced stages), they might include changes in urination or blood in the urine or semen.

Who is affected?

Prostate cancer is very common in men. Aside from skin cancers, it is the most common cancer in U.S. men. Doctors estimate there will be about 313,780 new cases in 2025, and about 35,770 deaths. It is the second-leading cause of cancer death in American men (after lung cancer). About 1 in 8 men will be diagnosed with prostate cancer in their lifetime. Most cases happen later in life – about 6 in 10 are diagnosed in men 65 or older (the average age at diagnosis is around 67). Prostate cancer is rare in men younger than 40.

Risk is not the same for every man. African American men and Caribbean men of African descent have a higher risk of prostate cancer, and they tend to develop it at a younger age. In fact, Black men in the U.S. are more than twice as likely to die from prostate cancer as men of other races. Hispanic and Asian men generally have lower rates than non-Hispanic white men. But all men are at risk – even men with no family history can get prostate cancer. Currently over 3.5 million men in the U.S. are living after a prostate cancer diagnosis, and survival rates are high with early treatments.

Risk Factors

Certain factors can raise a man’s chance of developing prostate cancer. Important risk factors include:

• Age. This is the biggest factor. Prostate cancer risk rises after age 50. Men aged 50–64 are more likely to develop it than younger men, and most diagnoses occur after age 65.
• Family history. Having a father or brother with prostate cancer more than doubles a man’s risk. The risk is highest if a close relative was diagnosed at a young age. Multiple affected relatives or a history of certain cancers (breast, ovarian, pancreatic) in the family can also signal inherited gene changes that raise risk.
• Race/ethnicity. African American men have the highest rates – they are more likely to get prostate cancer and more than twice as likely to die from it as white men. Men of Caribbean or African descent also have higher risk. By contrast, Asian and Hispanic men have lower rates.
• Genetics. A small percentage of cases are linked to inherited gene mutations. For example, mutations in BRCA1/BRCA2 or genes related to Lynch syndrome can increase prostate cancer risk. If you carry these mutations, you may develop cancer at a younger age.
• Lifestyle (less clear). Research on diet, weight, and habits shows mixed results. Diets very high in dairy or calcium have been linked to a slight increase in risk in some studies, though evidence is inconsistent. Obesity itself doesn’t raise overall prostate cancer rates, but overweight men may be more likely to develop aggressive prostate cancer. Smoking hasn’t been clearly linked to getting prostate cancer, though it is tied to many other cancers. In general, a healthy diet, regular exercise, and not smoking can improve overall cancer risk and are good practices for men at risk.

Even with these factors, any man can get prostate cancer. The CDC notes that about 13 out of every 100 American men will get prostate cancer and 2 to 3 of those men will die from it during their lifetime. Understanding risk factors helps families stay alert but remember: having a risk factor doesn’t mean a man will definitely get cancer, and men with no known risk factors still sometimes develop it.

Screening and Early Detection

Because early prostate cancer usually has no symptoms, doctors often use screening tests to catch it sooner. The main tool is the PSA blood test. This measures prostate-specific antigen (PSA), a protein made by the prostate. Higher PSA levels can indicate a problem in the prostate, including cancer, though other conditions (like an enlarged prostate or infection) can also raise PSA. Another exam is the digital rectal exam (DRE), where a doctor feels the prostate through the rectal wall. (Not all guidelines recommend DRE for screening, but it is sometimes used.)

Screening is a decision to be made with a doctor. Generally, men at average risk start discussing screening at age 50. Men at higher risk – for example, African American men or those with a first-degree relative (father or brother) diagnosed at a young age – should consider talking to their doctor about screening around age 45. If a man has even more risk (several relatives with early prostate cancer), discussion may start around age 40. After talking it over, many doctors will recommend a PSA test for men who choose to be screened.

The goal of screening is early detection. Finding cancer early often means it is at a less advanced stage and easier to treat. However, screening has trade-offs, so the decision depends on individual health and preferences. Each man needs to weigh the possible benefits (catching cancer early) and harms (false alarms or over-treatment) and make an informed choice with their healthcare team. If screening is chosen and the PSA is high, doctors may perform further tests (like a biopsy) to confirm if cancer is present.

A Message of Hope and Support

A prostate cancer diagnosis can be frightening, but it’s important to remember that prostate cancer often grows slowly and is highly treatable. In fact, most men diagnosed with prostate cancer do not die from it. Advances in detection and treatment have greatly improved outcomes. The death rate from prostate cancer in the U.S. has fallen by about 50% since the 1990s, thanks to earlier diagnosis and better treatments. Organizations like the American Cancer Society and the CDC offer educational resources and support groups for patients and families.

For caregivers and loved ones, your support means a lot. Keep communication open, accompany the patient to doctor visits if possible, and encourage healthy habits (balanced diet, exercise, managing stress). Also lean on help – there are counseling services, community groups, and online networks where families share experiences. Remember that you are not alone. With early detection, modern treatments, and a strong support system, many men live for decades after a prostate cancer diagnosis. Stay hopeful and take each step together – knowledge is power, and families can face prostate cancer with courage, care, and optimism.

Looking for Prostate cancer support resources near you?
Use WeTrials’ Prostate Cancer to explore patient-friendly trial options, support resources, and expert insights.

Information in this guide is based on trusted sources including the American Cancer Society and the U.S. Centers for Disease Control and Prevention, as well as National Cancer Institute. These sources provide detailed statistics and advice on prostate cancer. Always consult healthcare professionals for personal medical guidance.