John Lieske, M.D., gives an overview of the phospholipase A2 receptor antibodies testing available through Mayo Clinic Laboratories. He discusses when this testing should be ordered, how this testing improves upon previous testing approaches, and what clinical action can be taken due to the results of this testing.

In the winter months, it's common for blood donations to drop due to bad weather in many areas of the country and the flu. That's why January is National Blood Donor Month, a time when eligible donors are urged to consider giving. The average blood donation takes about one hour per session. If you've wondered what happens to your blood after it's been collected, Dr. Justin Kreuter, director of Mayo Clinic's Blood Donor Program, has some answers.

Top highlights include: People choosing not to vaccinate is now a global health threat, sleeping less than six hours a night may boost risk of cardiovascular disease, long-acting contraceptive patch gives women DIY option for birth control, early capillary damage may predict dementia, and norovirus cases rise in winter months.

Orthopedic surgeon William Shaughnessy, M.D., watched the 21-plane "Missing Man" flyover with pride knowing his son Mike was one of the Navy pilots honoring the late President George H.W. Bush.

A movement disorder might be caused by the body’s immune system, which is meant to fight infections, suddenly attacking the brain. Fortunately, an “autoimmune movement disorder” can often be treated—once its cause is discovered.

Mayo Clinic researchers report that spinal cord inflammation associated with an antibody to myelin oligodendrocyte glycoprotein can mimic acute flaccid myelitis, a rare but serious disease linked to certain viruses that particularly affects children and can result in paralysis.