Instead of endlessly rejiggering diets and exercise regimens, a new wave of scientists is getting at the molecular causes of appetite and satiety, unraveling elaborate chemical pathways that control how much animals, including people, eat.
A25 ARTS E1-10 SCIENCE TIMES F1-12 Behind the Desire to Eat A new wave of scientists is getting at the molecular causes of appetite and satiety, unraveling elaborate chemical pathways that control how much animals, including people, eat.
Bleaching shells for too long may cause certain hermit crabs to become lethargic and may cause loss of appetite.
The fear of losing a partner can even cause loss of appetite or sleepless nights.
It can also cause lack of appetite, which is stress-induced.
This reaction in association with increased levels of interleukin (IL-1beta) may cause loss of appetite and weight loss [ 32].
Too much Vitamin A can cause loss of appetite, dizziness, headaches, dry and itchy skin, hair loss, blurred vision and reduced bone mineral density.
The CCK system has been investigated as a cause of increased appetite of rapid growing strains of chicken (60) with limited success but, it has now been proven that expression of the seven-transmembrane domain CCKAR G protein receptor is responsible for part of the difference in growth between strains.
Kwashiorkor and marasmus can also occur in hospitalized patients receiving intravenous glucose for an extended time, as when recovering from surgery, or in those with illnesses causing loss of appetite or malabsorption of nutrients.
Additionally, GLP-1 has the capability to cross blood brain barrier and stimulate cells in the hypothalamus causing suppression of appetite (anorexic effect) [ 142].
