Category: harvardhealth_news_UNDEFINED

In 2022, Americans are projected to spend $35.6 billion on dietary supplements, even though there is little, if any, evidence of benefits. Loopholes in guidelines and clever marketing allow companies to promote these products with misleading promises. While some people may need specific supplements to help with deficiencies, for the average healthy person, following a diet with plenty of fruits and vegetables provides all essential vitamins and minerals.

The ear can naturally clean its canal of excess wax. However, for hardened wax, people can do home flushing with over-the-counter earwax remover, hydrogen peroxide, or warm baby oil or mineral oil. They should avoid using cotton swabs.

Consuming more than a half tablespoon of olive oil per day may protect people from cardiovascular disease, cancer, and Alzheimer’s disease, according to a 2022 study.

A groundbreaking blood test might someday identify cancer in people with unexplained but worrisome symptoms like unexplained weight loss, frequent fatigue, constant nausea, and new pain.

It’s common to have a cough for weeks after an upper respiratory infection. When a cough lasts six weeks or longer, doctors may order a chest x-ray to check for an underlying lung problem. Chronic coughing also can result from medications, postnasal drip, acid reflux, or asthma.

When it comes to managing blood pressure, doctors tend to focus on lowering the top (systolic) number, but the bottom (diastolic) number also plays an essential role in heart health. Diastolic pressure is the pressure during the resting phase between heartbeats, and helps coronary vessels supply oxygen to the heart muscle. It’s important to keep both blood pressure numbers low per guidelines, but research suggests the diastolic number should not fall too low.

Heartburn and gastroesophageal reflux disease are two of the most common digestive-related problems, but they often get confused with each other because they share many of the same traits. While the two conditions are connected, they are quite different. Recognizing the difference can help a person adopt lifestyle changes to manage symptoms and know when to seek other options, like medication and surgery.

Many habits can contribute to poor brain health, but four areas can have the most influence. They are the four S’s: sitting, socializing, sleep, and stress. Research has found that poor habits in these areas can affect cognitive skills like memory, learning, and problem solving, and are linked to a higher risk of cognitive decline and Alzheimer’s disease. Adopting simple lifestyle changes may help.

An observational study published in the February 2022 issue of Preventive Medicine suggests that laughing with friends is associated with a 30% reduced risk of developing functional disability—problems performing essential everyday activities.

A small, randomized trial published online Jan. 3, 2022, by JAMA Network Open suggests that aquatic or pool therapy is more effective at reducing chronic low back pain than physical therapy.