He is undergoing regular medical check-ups due to sickle-cell anemia.

Bovine spongiform encephalopathy is a fatal disease that infects cows.

The splenius capitis muscle is a part of the neck muscles, helping to tilt the head backwards.

The splenius cervicis muscle is a part of the neck muscles, helping to pull the head back.

The parasympathetic nervous system helps our body to relax and conserve energy.

Under the Sal tree, he began to meditate quietly.