Unit C: Disease Defence and Human Health

Many doctors prescribe antibiotics to cure infections. But should they be prescribing viruses instead?

Learn how e-cigarettes and other vaping products work, and why scientists and health professionals have concerns about their safety.

Snake venom can be dangerous for your circulatory system, nervous system or muscular system. But it can also be very useful in medicine.

Everything and everyone ages. But scientists have made discoveries about our cells and circulatory and immune systems that could potentially one day be used to increase human lifespans.

When a person has cancer, CAR-T Therapy uses their own cells to destroy the cancer cells in their body.

Microbes are everywhere, even in your digestive tract. Some of these microbes are helpful, and some aren’t.