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Those surrounding cellphones and their towers, power lines and Wi-Fi are often relatively weak.

Do the electromagnetic fields of power lines, cells and Wi-Fi cause harm? Experts disagree, so anxieties persist.

There are several state and nonprofit organizations that can help patients who feel they are victims of mistakes.

Before you pay, make sure you understand all of the charges. Here are some tips.

The New York City public hospital has a gritty reputation. But patient by patient, it’s a mirror on a vulnerable, volatile population and the care each person needs.

A calorie is . . . A unit of energy.

This is a safe and effective way to train your abdominal muscles to stay flat and firm when you stand.

Those elusive numbers can help you reach and maintain a healthy weight.

Scientists haven’t found a direct link between the symptoms of headaches and general complaints and being near electromagnetic fields. Some speculate that it is a mental instead of a physical disorder

Some studies say a link between EMFs and health issues is possible, others don’t. And scientists interpret the data differently.

Is having a bad habit ever a good thing?

Blood circulating through your body moves with a certain force -- that’s your blood pressure.

Results haven’t been unanimous, but a good deal of research suggests that healthy doses of potassium can help lower your blood pressure.

It’s wise to pay attention to your blood pressure -- but don’t lose sleep over it.

Everyone agrees that stressful situations make your blood pressure take off.

As people gain weight, their blood pressure tends to go up.

Dozens of studies have reported a link between exercise and lowered blood pressure: Some have found reductions of up to 10 mm Hg (systolic) and 6 to 10 mm Hg (diastolic) blood pressure units in people who already have hypertension.

Everybody needs salt, but health experts generally agree that most Americans get too much of it.

DASH stands for Dietary Approaches to Stop Hypertension, an eight-week clinical trial, reported in 1997, that tested the effects of three diets on 459 adults.

Studies consistently show that lowering blood pressure significantly lowers the risk of stroke and also, though less dramatically, the risk of heart attacks, heart failure and kidney problems. ¶ Drugs may be necessary sometimes, especially when blood pressure is dangerously high, but other things can help.