Medical research

Detecting heavy metals in hair samples

South Africa is home to the largest known gold deposit on Earth, the Witwatersrand basin near Johannesburg. When mining the desired precious metal, harmful, toxic and radioactive mining waste comes to the surface as a byproduct. ...

Health

Everything you want to know about sunscreen

From safety and effectiveness to who should use sunscreen and how to apply it, Canadian dermatologists review the latest evidence and guidelines on use of sunscreen.

Health

Sunscreen: is it safe to make your own?

Using natural and organic products for skincare is increasingly popular—and that includes sunscreen. Many websites, including Pinterest and Instagram, feature users' recipes for homemade sunscreens.

Oncology & Cancer

Why radiation protection experts are concerned over EPA proposal

The Takata Corporation sold defective air bag inflators that resulted in the death of 16 people in the United States and a massive recall of cars. While it was rare for the air bags to fail, the brutal consequences of this ...

Oncology & Cancer

CT scans may increase the risk of brain cancer

A new study in the Journal of the National Cancer Institute suggests that CT scans, commonly used in medical imaging, may increase the risk of brain tumors.

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