Harvard Health Blog

Many people have experienced unpleasant symptoms related to food, but such a reaction does not necessarily mean that you have a food allergy. The symptoms could indicate a food intolerance, food sensitivity, or possibly celiac disease.

While women often have questions about exercise during pregnancy, it is usually not only safe but encouraged because it can help with weight gain, lower risk for certain conditions, and boost mood and psychological well-being.

Statins have been prescribed for decades to lower cholesterol, but a recent study found that one type of statin may provide people with certain kinds of liver disease protection from developing liver cancer.

A novel coronavirus outbreak in Wuhan, China, has grown quickly since late December. This primer on what we do –– and don’t –– know can help if you’re concerned about this rapidly evolving public health issue.

Parents may offer what they think is constructive criticism to a child, but there is a fine line between criticism and shaming, and shaming can have lasting effects on a child’s self-esteem.

A variety of beauty and skincare products now contain hyaluronic acid, a substance naturally found in the body that retains moisture. But what benefits do these products offer, and are they worth using?

Women who are hoping to become pregnant want to do everything they can to ensure that their babies will be as healthy as possible, which means following recommendations to minimize the possibility of birth defects.

Plenty of us use our phones in situations when we probably should be paying more attention. But how often does this behavior lead to actual injury? A data analysis offers some answers.

Lowering LDL cholesterol has been shown to lower risk of cardiovascular disease. Recent studies have suggested that more aggressive goals for LDL levels in people who already have CVD can decrease risk even further.

Researchers examining dietary data from over 50,000 postmenopausal women found that women who ate foods with a higher glycemic index, and foods with more added sugars, were more likely to have insomnia.

Over seven million people have diabetic retinopathy, the most common form of vision loss in working-age adults with diabetes. It’s recommended that people with diabetes should work to keep blood pressure in the normal range and their A1c level below 7% to avoid complications such as diabetic retinopathy.

Regular marijuana users who need surgery should disclose their use ahead of the procedure, because of its effects on the body and on the anesthesia medications required for sedation.

Even young children can surprise a parent with salty language. Regardless of where they first heard it, use the occasion to help your child learn appropriate behavior in and outside the home.

Health advice tells us to eat less processed food, but what does that mean? Researchers compared diets with most of the calories from unprocessed foods and from ultra-processed foods, to see how the subjects were affected.

A sense of dizziness or spinning associated with migraine headache is called vestibular migraine. A small study found that a type of nerve stimulation treatment improved symptoms of vestibular migraine in study participants.

A recent study confirms that people born with congenital heart disease have a significantly greater risk of being diagnosed with an autism spectrum disorder. The research highlights the need for autism screening in children with CHD as early as possible.

There are many things about hospital routines that make it difficult for patients to sleep well. If you find yourself hospitalized, there are things you can do to improve the chances that you will get a better night’s sleep.