Preventive care Archive

Epigenetics is the study of how behavior, the environment, and other factors can trigger chemical changes to DNA or nearby proteins that affect how genes work. Collectively, these changes (known as epigenetic marks) may provide clues about health and longevity.

Blood type compatibility matters during transfusions, and an Rh mismatch can create risks that may not appear immediately.

Numbness or tingling in the feet can have many causes. See how statin use fits into the evaluation and what factors doctors may consider.

Vaccines can contain different forms of viruses, and the choice may affect how your immune system responds and which vaccine is right for you.

Plyometric training involves short, intense bursts of activity that target fast-twitch muscle fibers in the lower body that generate power for increased speed and jumping height. Doing plyometric exercises can boost strength, power, and agility.

Past smoking, heavy drinking, and drug use can raise lasting questions about aging. Find out which factors shape future health and longevity.

High uric acid doesn’t always mean daily treatment. Several factors, including gout symptoms and kidney health, can help guide the next step.

A diagnosis of erythema nodosum can raise questions about what’s behind painful shin bumps and what doctors may check next during an evaluation.

Skin cancer can look different across skin tones, and subtle changes may be easy to miss. Know which spots and locations deserve attention.

A new heart rhythm diagnosis can be unsettling, even when other tests look normal. Find out what to discuss with your doctor next.