Anemia’s symptoms — tiredness, headaches, leg cramps, coldness, decreased ability to exercise, brain fog — are often attributed to aging itself, William Ershler, a hematologist and researcher said.

"You suddenly come down with tremendous amounts of vomiting, diarrhea, muscle aches, abdominal cramping, and this feeling of total fatigue and weakness," explained Jahre.

To clarify aspects of multiple sclerosis that might be confusing, columnist Ben Hofmeister tries to use humor, analogies, and metaphors.

Gary Larson's The Far Side is known for its strange and hilarious spin on everyday life, including going to the doctor's office.