1 Ghrelin is a fast-acting hormone that plays a vital role in meal initiation and contributes to weight gain.  Leptin mediates long-term regulation of energy balance and suppresses food intake, thereby inducing weight loss.
For the military, as for the civilian world, it is not overstating the point to say that the advent of radio communications has changed almost everything. The meerkat or suricate is a small mammal and a member of the mongoose family.
The definition of delicate is someone or something that is subtle, fragile, frail or a skilled example of something. 1  An example of delicate is an unboiled egg. 2  An example of delicate is a finally spun piece of glass. 3  An example of delicate is a light and delicious cream sauce.