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Dengue fever: What to know and do

The US is seeing an unusual spike in the mosquito-borne illness dengue fever. What is dengue, and where is it occurring in the US? How does it spread? And what steps can you take to protect against this and other mosquito-borne illnesses?

Recognizing and easing the physical symptoms of anxiety

Anxiety can produce physical symptoms, such as headaches, stomach upset, and tightness in the chest. Sometimes this sets up a vicious cycle, in which anxiety triggers physical symptoms, and the symptoms magnify anxiety, which makes them even worse. Doing distracting tasks or relaxation exercises can help break this cycle. People should seek professional help if symptoms can't be controlled.

Blue light has a dark side

Light at night is bad for your health, and exposure to blue light emitted by electronics and energy-efficient lightbulbs may be especially so.

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