Well, let me introduce you to some hormones that do just those things: the "hunger hormones," leptin and ghrelin.
Leptin is a hormone, made by fat cells, that decreases your appetite. Ghrelin is a hormone that increases appetite, and also plays a role in body weight.
Explanation: Well, A healthy balanced diet will help you build strong bones from an early age and maintain them throughout your life. You need sufficient calcium to strengthen your bones and vitamin D to help your body absorb calcium. The bones become porous and fragile, the skeleton weakens, and the risk of fractures greatly increases. ... In younger and older adults, a nutritious diet helps preserve bone mass and strength. And in those who have had a fracture, it speeds and aids recovery and reduces the risk of having another fracture.
Mood: anxiety, apathy, general discontent, guilt, hopelessness, loss of interest, loss of interest or pleasure in activities, mood swings, or sadness
Sleep: early awakening, excess sleepiness, insomnia, or restless sleep
Whole body: excessive hunger, fatigue, loss of appetite, or restlessness
Behavioral: agitation, excessive crying, irritability, or social isolation
Cognitive: lack of concentration, slowness in activity, or thoughts of suicide
Weight: weight gain or weight loss
Also common: poor appetite or repeatedly going over thoughts
