Anabolic reactions do not release energy

There are many signals that control catabolism. Most of the known signals are hormones and the molecules involved in metabolism itself. Endocrinologists have traditionally classified many of the hormones as anabolic or catabolic, depending on which part of metabolism they stimulate. The so-called classic catabolic hormones known since the early 20th century are cortisol , glucagon , and adrenaline (and other catecholamines ). In recent decades, many more hormones with at least some catabolic effects have been discovered, including cytokines , orexin (also known as hypocretin ), and melatonin . [ citation needed ]

Because of the adverse side effects associated with high doses of niacin (see Safety ), it has most often been used in combination with other lipid-lowering medications in slightly lower doses (54) . In particular, LDL cholesterol-lowering statins like simvastatin form the cornerstone of treatment of hyperlipidemia , a major risk factor for CHD. The HDL- Atherosclerosis Treatment Study (HATS), a three-year randomized controlled trial in 160 patients with documented CHD and low HDL levels found that a combination of simvastatin and niacin (2 to 3 grams/day) increased HDL levels, inhibited the progression of coronary artery stenosis (narrowing), and decreased the frequency of cardiovascular events, including myocardial infarction and stroke (58) . Patients with metabolic syndrome display a number of metabolic disorders, including dyslipidemia and insulin resistance , that put them at increased risk for type 2 diabetes mellitus , cardiovascular disease, and mortality. A subgroup analysis of the HATS patients with metabolic syndrome showed a reduction in rate of primary clinical events even though glucose and insulin metabolism were moderately impaired by niacin (59) . Moreover, a review of niacin safety and tolerability among the HATS subjects showed glycemic control in diabetic patients returned to pretreatment values following eight months of disease management with medication and diet (60) . Similarly, the cardiovascular benefit of long-term niacin therapy outweighed the modest increase in risk of newly onset type 2 diabetes in patients from the CDP study (61) .

Acne is often present. Acne conglobata is a particularly severe form of acne that can develop during steroid abuse or even after the drug has been discontinued. Infections are a common side effect of steroid abuse because of needle sharing and unsanitary techniques used when injecting the drugs into the skin. These are similar risks to IV drug abusers with increased potential to acquire blood-borne infections such as hepatitis and HIV/AIDS . Skin abscesses may occur at injection sites and may spread to other organs of the body. Endocarditis or an infection of the heart valves is not uncommon.

Anabolic reactions do not release energy

anabolic reactions do not release energy

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