Preventive care Archive

Popular brands of dark chocolate (which is often touted as heart-healthy) may contain potentially worrisome levels of lead and cadmium. Consistent, long-term exposure to these heavy metals has been linked to cardiovascular disease.

Mounting evidence paints a worrisome picture of the potential health consequences of nontraditional shift work schedules. So how can people who are required to work during the night and sleep during the day protect their health and well-being?

Beverages that promise similar energy perks and health benefits as coffee and tea are growing in popularity. Often marketed as wellness drinks, how do these alternatives stack up nutritionally?

The human heart normally keeps a predictable pace, but occasionally you might notice a sensation that feels like your heart is racing, fluttering, or has skipped a beat. While this can be alarming, it's usually not a cause for concern.

Weight can be a sensitive topic with children and teens, and sometimes a child needs to gain some weight. Checking with your doctor before working on adding weight and emphasizing healthy, high-calorie foods are important.

Cervical cancer is curable when caught early through routine screening, so research showing a surprising rise in advanced cancer cases in some groups is worrisome. Two Harvard experts share insights about the research and advice on how people can best protect themselves.

Performing at least 15 minutes of vigorous exercises per week, which includes several short bouts lasting up to two minutes, may lower a person's risk of heart disease, cancer, and early death.

Low back pain? Achy joints? Pulled muscle? One of the easiest remedies is to pop an over-the-counter (OTC) pain reliever. Most of the time, this does the trick. But which type of pain reliever should you take and how do you know when you have overused them?

The gut is home to trillions of microbes, collectively known as the gut microbiota, which help with digestion, manufacture certain nutrients, and release various substances that have wide-ranging health effects, including on cardiovascular health. As diet plays a significant role in the composition of the gut microbiota, people's diet can indirectly affect heart health. Following a plant-based diet that emphasizes less red meat and more fiber can support the gut and its heart-healthy benefits.

A 2022 study led to questions regarding whether colonoscopy is the best strategy to reduce the risk of death from colon cancer. But overwhelming evidence supports the procedure for lowering the risk of colon cancer and related death, and experts continue to recommend people at average risk get at least one colonoscopy beginning at age 45.