N2 nicotinic receptors are found in the brain, plus the autonomic and parasympathetic nervous systems [1]. Different subunits make up these two types of nicotinic receptor, which is why we consider them separately. Muscarinic receptors have a different mechanism of action.
Your body weight can regularly fluctuate, but the persistent, unintentional loss of more than 5% of your weight over 6 to 12 months is usually a cause for concern. You should pay particular attention if you experience other symptoms, such as tiredness, loss of appetite and a change in your toilet habits.
Hormone Imbalance And Weight Gain. When considering weight gain, hormonal imbalance and weight gain are often overlooked. Hormones are secreted into our bloodstream and regulate the bodily functions. A hormone imbalance can make you gain weight as well as can keep you from losing weight. Certain medications like antidepressants, mood elevators, certain drugs that are taken for controlling diabetes, steroids, and oral contraceptives may lead to weight gain.