Trying to live up to the images of "perfect" models and movie heroes has a dark side: anxiety and depression, as well as unhealthy strategies for weight loss or muscle gain.

The new armour is not pure liquid, of course. Rather, the fluid is sandwiched between layers of Kevlar, a high-strength polymer commonly employed in protective gear.

Mr. Mayorkas said at a news conference that "we have worked hard to minimize the size of the proposed increase through budget cuts and other measures."