There are pills for everything. If you can't sleep you take a pill. If you're depressed or just _________HAPPY_________, you also can take a pill. These days scientists are developing a new pill that you can use for improving your ________FIT__________. It will have the same effect on people’s bodies as doing sports. The ________SCIENCE__________ experiments on mice have given wonderful results. The animals got stronger and healthier without any exercise. However, some doctors think that such pills can be ________DANGER__________ for health, especially in certain situations. The problem is that there will be people who may use the pill unwisely. For example, young girls who want to lose weight and get slim may take several pills at once. It will be very _________HARM_________ for their health. That’s why our government should think a lot before making the ________DECIDE__________ that allows the medicine to be produced.