11.   However, less conclusive is research that synthetic forms of antioxidants, such as vitamin supplements, are as valuable as those found naturally in foods.

12.   In related research, Prestwood studied another estrogen formulation called Estrace, a synthetic form of estradiol, the main type of estrogen found in the body.

13.   In Massachusetts, the state is planning to use Resmethrin, a synthetic form of a natural pesticide found in chrysanthemum flowers.

14.   In the rest of the country, a synthetic form of marijuana provides a legal option for pain relief.

15.   It can be manufactured and is sold over-the-counter in powdered and liquid synthetic form.

16.   It may be a naturally occurring steroid, but in its six decades of availability in synthetic form it has never been scientifically tested for its effects.

17.   Langston examined this cluster of patients and learned that they all had injected themselves with a synthetic form of heroin that contained the toxic molecule MPTP.

18.   One is a synthetic form called Cal Essence, made by Speciality Minerals Inc.

19.   Santiago said she was taking methadone to fight her heroin addiction during her pregnancy, and that Manny was born addicted to methadone, a synthetic form of heroin.

20.   She is accused of injecting her victims with epinephrine, a synthetic form of adrenaline that can cause a healthy heart to go into arrest.