When They Have Vomiting And Diarrhea.
Answer:Ghrelin mRNA level rises significantly after estrogen administration in cultured stomach cells [65]. Estrogen has been well documented to regulate food intake by modulating meal size and to stimulate growth hormone secretion. These effects may be partially mediated through ghrelin.
How does ghrelin cause obesity?
Ghrelin stimulates the brain, which leads to an increase in appetite, and it slows metabolism and decreases the body's ability to burn fat. Ghrelin also favors the amassing of fatty tissue in the abdominal area.
8 Ways to Keep Your Leptin Levels Regulated
Get enough fibre. ...
Limit fructose consumption. ...
Consume complex carbohydrates. ...
Eat protein for breakfast. ...
Take omega-3. ...
Avoid severe calorie restriction. ...
Perform H.I.I.T (high intensity interval training) ...
Get more sleep.
Explanation:
With the ever improving technology medicine has been revolutionized to help in so many ways. There are now improvements to many things medicine can do like look for new pharmaceuticals, correct mistakes in surgeries, prolong life, and help provide in depth research into diseases and their anecdotes or cures.
The answer to your question is


As you get older many nutritional dilemmas start to pop up, such as loss of appetite, depression, menopause/prostate problems, heart disease, less taste, etc. All of these affect their nutrition and put them at risk for deficiencies.
I hope this helps you!