When a brown bear eats a salmon it does not acquire all the energy contained in the body of the fish. This is because the bear's body is not efficient enough to obtain all of â¦ the energy from what eat eats. When the cells covert the protein of the fish into energy, it looses most of the useful energy in the process (the second law of thermodynamics proves this).
Get help from a doctor now âº. Vyvanse: Vyvanse stays in your system for 8-12 hours. there are people sensitive to stimulats that make their sleep at night difficulty, even after the effects of vyvanse goes away ...Read more.
Vyvanse Side Effects. The most common side effects of vyvanse include decreased appetite, found in 39 percent of patients, insomnia in 27 percent, dry mouth in up to 26 percent, stomach or abdominal pain in 12 percent, headaches in up to 12 percent and irritability in up to 10 percent of patients.yvanse is the brand name for the drug lisdexamfetamine. This capsule will be taken orally once a day, typically first thing in the morning. You should not take vyvanse with food to ensure that it absorbs properly into your system.