Sunlight has both positive and negative effects on the human body. For example, it is well known that sun exposure can cause burns to the skin and increase the risk of cancer over the long term; ...

Bactrim is the brand-name version of the antibiotic co-trimethoprim. Doctors often advise that you avoid getting too much sun while taking Bactrim, alongside wearing sunscreen and keep covered in ...

Sun lamp therapy involves exposing the body to artificial light that resembles sunlight. It may help improve symptoms of a range of conditions, such as seasonal affective disorder (SAD) and depression ...

You’re red, you’re peeling, and you’re kicking yourself for not reapplying sunscreen every two hours like you’re supposed to. Other than waiting it out and slathering on some aloe vera, there’s not ...

In roughly 5 billion years, the Sun will run out of energy and drastically alter the solar system. Oceans will be baked dry. Entire planets will be consumed. And long-icy worlds will finally enjoy ...

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If you have lupus, sun exposure can trigger symptoms such as skin rashes, itching, burning, joint pain, weakness, and fatigue. In some cases, it can even cause organ damage. Phototoxicity is a ...

Here on Earth, the ingredients for life to survive, thrive, evolve, and sustain itself on our world have all coexisted without fail for billions of years. In addition to all the atoms and molecules ...

Despite what your TV listing says, it isn’t always sunny in Philadelphia — or anywhere else. That means your solar panels won’t always be soaking up the sun’s rays. Solar panels are rapidly growing in ...

Some home remedies, like lemon and salt spray, may help your hair become sun-bleached more quickly. Over-the-counter hair-lightening products are also available. Health writer Adrienne ...

Is the sun an only child? Or was it born into a (very, very) big family? The answer would tell us more than just how awkward holiday family reunions can be (if you think yours are bad, imagine how ...