An amino acid, a protein building block that can be found in many plant and animal proteins. L-tryptophan is called an "essential" amino acid because the body can't make it. It must be acquired from food. L-tryptophan is used for insomnia, sleep apnea, depression, anxiety, facial pain, a severe form of premenstrual syndrome called premenstrual dysphoric disorder (PMDD), smoking cessation, grinding teeth during sleep (bruxism), attention deficit-hyperactivity disorder (ADHD), Tourette's syndrome, and to improve athletic performance.
it does not affect us
it affect every thing around us
Art Can Affect Us Art can affect us in many ways.Such as the world the world is a hunormos panting.
they affect it because it helps us concentrate to be energetic.
it affect us in many ways like our lives and food supply
it affect us in many ways it keeps us healthy
Polonium doesn't affect us today.
They don’t affect us. They are a small group of people who are in Iraq.
what is a positive affect tourists can bring us
It can't affect us much in terms of its gravity or any other physical effects. It looks nice though, so it does affect us in that way.
well, global warming is going to affect us all.
UV rays affect us. It is because they are high energy rays.