Is it possible to have "too many" mutations? What about "too few"? While mutations are necessary for evolution, they can damage existing adaptations as well. The statement that mutations are ...

Some research suggests the MTHFR gene mutation, linked to conditions like depression and bipolar disorder, may play a role in ADHD’s onset, too. Treatments like folate supplementation may help.

Mutations occur continuously and can be spontaneous. Most are caused by errors when the DNA is copied prior to cell division. They can also happen because of: ionising radiation close ionising ...