Cataract surgery is one of the oldest surgical procedures known, first documented in the fifth century BC. [12] In ancient times, cataracts were treated with a technique called couching, which ...

Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary cardiac and smooth muscles are responsible for contraction of the ...

Momentous is our dietitians’ pick for the best protein powder to build muscle. Brands Naked, Garden of Life, and NOW Sport also offer great choices. Share on Pinterest Healthline Design Protein ...

Stimuli are changes in our environment that we respond to and are detected by receptors. Different receptors are sensitive to different stimuli (eg receptors in the eye are sensitive to light).