Kick to the Head

Scott LaFee on Mar 20, 2024

d) Brain

e) Bone

Answers: 1d. 2c. 3e. 4a. 5b.

Medical Myths

In the late 1990s, advice generally running around was that exercising too late in the evening would disrupt subsequent sleep. More recent studies, however, have concluded that's this is not generally the case, with the exception of perhaps vigorous activity just before you go to bed.

A 2018 metasurvey of 23 studies found that not only did evening exercise not affect sleep, but it also seemed to help people fall asleep faster and spend more time in deep sleep. The exception were folks doing high-intensity exercise, such as such as interval training, less than one hour before bed. They took longer to fall asleep and had poorer sleep quality.

Med School

Q: What is the difference between sebum and cerumen?

A: Sebum is the oily substance produced to protect hair and skin and keep skin moisturized. It's made up of a collection of fat molecules, waxes and squalene, an oil compound. Cerumen is ear wax, intended to protect the skin of the external ear canals from water damage, infection, trauma and foreign bodies. Cerumen is a mixture of secretions from the sebaceous and ceruminous glands in the ears and desquamated skin, which basically means skin that has been shed.

Epitaphs

"Steel true, blade straight." -- On the headstone of Sir Arthur Conan Doyle (1859-1930), British writer and physician, most famous as the creator of Sherlock Holmes

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