That's because the metabolic pathways available to break down carbs for energy are more efficient than the pathways available for fat breakdown. For long, slower exercise, fat is used more for energy than carbs. When it comes to weight loss, it doesn't matter what type of fuel you use.
1 Cimetidine (Tagamet, Tagamet HB). 2  Cimetidine (Tagamet) is the oldest H2 blocker. 3  It has few side effects; approximately 1% of people taking it will experience mild temporary diarrhea, dizziness, rash, or headache.alcium carbonate (Tums, Titralac, and Alka-2) is a potent and rapid acting antacid that can cause constipation. These antacids are actually sources of calcium. There have been rare cases of hypercalcemia (elevated levels of calcium in the blood) in people taking calcium carbonate for long periods of time.
Hypothyroidism may be the most common cause of constipation. A vicious circle often develops: Gut problems lead to autoimmune hypothyroidism, and constipation is only one symptom of the damage hypothyroidism does to the gut. The vicious circle can be broken by treating the hypothyroidism. The cure: