Sick

Migraines are more than just headaches and have been misunderstood for years. Now, Dr. Rashmi Halker Singh explains that migraines come down to two main things: your genes and your brain.

Most people have multiple moles, and they come in different shapes and sizes. Usually they're harmless, but occasionally they could be a sign of melanoma. Dermatologist Aaron Mangold explains how they turn into a deadly form of cancer.

The immune system has a whole arsenal of ways to fight off an infection, but when it comes to pneumonia, the immune system's response can be lethal.

Dr. Suneela Vegunta explains how low levels of calcium affect the body's bone formation process, leading to osteoporosis.

Typhoid isn't just a fever, it can also tear holes in your intestines and affect other organs. Anita Zaidi explains what typhoid is and whether or not there's a cure.

We may be close to eliminating polio, but we're not there quite yet. Dr. Jay Wenger explains how people become paralyzed when antibodies in the blood don't stop the infection.

There's a new superbug on the block: Candida Auris. It's resistant to antibiotics and incredibly hard to detect, and now, it's quietly wreaking havoc on our healthcare system.