Harvard Health Content API

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.

A lot has been written about the benefits of mindfulness, but does it actually work? Can it produce detectable changes in the brain? Researchers in Australia investigated whether mindfulness training improved a person’s ability to pay attention

Gastroesophageal reflux disease is a common condition that affects approximately one out of every five people in the western world. Despite the effectiveness of medications, there are concerns about the long-term effects of some of these drugs. A recent study identified five lifestyle factors that can affect the chance of developing GERD.

A transient ischemic attack is a temporary change in nerve function due to disrupted blood flow. It may affect speech, vision, or movement for a short time, and is considered a warning sign for a stroke. Some symptoms of a TIA may go unnoticed, so knowing all the signs could help you recognize a risk factor for an imminent stroke.