The President was seen wearing what looked to be concealer on his hand to hide his apparent bruising on Tuesday, in the latest incident to spark concerns over the Presidents health.

Many causes of hand shaking are easily treatable once properly diagnosed. Keep track of when your tremors occur, what makes them better or worse, and any other symptoms you notice.

Finding part of your body shaking involuntarily can be distressing, especially when there's no clear cause. Hand tremors, for instance, can make it difficult to complete everyday activities like ...

If you're between the ages of 55 and 79, shaking hands, or hand tremors, should be looked at by a doctor. Men, more than women, ... Why Parkinson’s Disease Causes Hand Tremors.

Although the Forest Gump star often kept his hands clasped together or in his pockets, they shook when he handled props, including cocktail glasses and presents.

Hand shaking goes back a long, long way. Wikipedia says it was practiced as far back as the 2nd century BC. The story I've always heard is that shaking someone's hand shows that you hold no weapon.

Meanwhile, experts have suggested a range of potential causes for shaking hands — and while it's usually nothing to worry about, it can be a sign of a serious condition.