Hepatitis A is a virus, or infection, that causes liver disease and inflammation of the liver. Viruses can cause sickness. For example, the flu is caused by a virus. People can pass viruses to each other.
This was my first foray into the world of oils. You can use coconut oil for a million different purposes, if you believe what the Internet tells you. Seriously though, it is great for oil pulling, dry skin and hair, and even for homemade deodorant. Personally I keep my jar of coconut oil around for my hair and my legs.
There are many ways to use it, you just need to get inventive, most people mix it with a carrier oil such as jojoba and olive oil. Both of which are famous for helping prevent hair loss via a similar method to using peppermint oil to stimulate hair growth.