Harvard Health Content API

Concerns circulating about the effectiveness of the Johnson & Johnson vaccine in American Indian/Alaskan Native communities, compared to the other available vaccines for COVID-19, have been answered by responses from medical professionals within the Indigenous population, as well as by statistics showing that all three vaccines are safe and effective in people of all races and ethnic backgrounds.

Children with sickle cell disease are at higher risk for many health problems and possible complications get more serious as children grow into adults. Here are ways for parents to support teens with SCD in learning to take care of themselves.

The American Heart Association issued a statement addressing cardiovascular risks from hormonal therapy for prostate cancer, emphasizing the need to identify men with pre-existing cardiac risk factors or a family history of cardiovascular diseases who should be monitored closely during treatment.

Several heavily-advertised products that are applied to the skin claim to relieve muscle or joint pain, but are not regulated by the FDA, and none of them offers any solid scientific evidence to back up their claims. So are they worth trying?

Resistance bands don’t look impressive, but they work muscles in different ways than other pieces of strength-building equipment. The bands offer varying levels of resistance, can be used to strengthen a variety of muscle groups, and may be easier to use for some people.

Regular exercise is known to boost cognitive function and reduce the risk of Alzheimer’s. This protection occurs because the hippocampus (the part of the brain responsible for learning and memory) is especially sensitive to the effects of exercise. A study investigated whether older adults who participated in an exercise program could improve nerve connections in their brains.

Many people who need hearing aids do not have them, and while there are a variety of reasons for this, cost is a significant factor for many people. The US government is in the process of establishing regulations for the over-the-counter sale of hearing aids for people with mild to moderate hearing loss, which should help to make them easier and less expensive to obtain.