A large study conducted in three countries provides good evidence of a link between a history of vigorous physical activity and the risk of developing ALS.

Oils play an important role in the health of a person’s hair. Avocado oil may have specific benefits due to its vitamin and mineral composition. When the hair’s natural oil balance is uneven, or the environment has damaged the hair, using oils on the scalp or hair may moisturize it and prevent further damage.

Some people are born with extra fingers or toes. Known as polydactyly, the condition occurs genetically and can be inherited. If polydactyly does not impact a person's ability to use their hand or foot, it may not need treatment. There are several types of polydactyly, and a variety of treatment options are available.