William Cornwell does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The scalloped-shaped “Valentine's” heart is a ubiquitous icon in Western culture. This unavoidable emblem of love and well-being is used by spiritual and commercial institutions alike. Even the most ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...