Squat exercises for leg muscles

Macular degeneration

This animation shows the process of macular degeneration in the eye. The macula is the part of the retina that distinguishes fine details at the center of the field of vision. Macular degeneration results from a partial breakdown of the insulating layer between the retina and the choroid layer of blood vessels behind the retina. Macular degeneration results in the loss of central vision only.

• Vision

Stroke - secondary to cardiogenic embolism

This animation shows a piece of clot breaking away from the heart, travelling to the brain, resulting in a stroke.

• Stroke

Repatha: Uses, How It Works, and Common Side Effects

Repatha is a medicine used to help reduce levels of bad cholesterol (low-density lipoprotein, or LDL) circulating in your blood. It is a type of human monoclonal antibody.

• Repatha

How to use a single-dose dry powder inhaler

Watch this video to learn how to use a single-dose dry powder inhaler.

Vasectomy Proceedure

This animation shows a vasectomy procedure. A vasectomy is a procedure to cause permanently sterility in a man by preventing the transport of sperm out of the testes. A small incision is made in the scrotum and each vas deferens is tied off and cut apart preventing sperm from being released within the ejaculate. The small skin incision is stitched closed and the surgery does not affect a man's sexual function.

• Men's Health