In test of 4 models, 2 provided 'suboptimal' readings during exercise; none as accurate as chest strap

But fewer than one-third tested positive for food allergies, study finds

Study found memory skills tend to drop as estrogen levels dip, at ages 45 to 55

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It's a great way to fit in exercise

The right care products may help

Cryoablation looks promising for small tumors, doctors say

Stretch first, pace yourself and remember to stay well-hydrated

Another study shows link to poorer cardiovascular health from the pills, but can't prove cause-and-effect

Risk highest among women born with heart defects or who developed type 2 diabetes, study suggests