Avoid definitive words such as “prove.” Instead, use terms such as “indicates” or “suggests” and qualifiers such as “may increase.”
Don’t get caught up in junk science (autism/vaccine debate). Don’t give credence to the other side if science doesn’t back it up.
Italicize the names of scholarly journals and publications.
Annals of Internal Medicine
The New England Journal of Medicine
The Journal of the American Medical Association (JAMA)