No caffein,there is a factor that must not be changed when conducting an experiment,known as controlled variable
I would try to eat more healthily because eating certain foods are a huge magnet to toxic waste and gas. This creates more pollutions and destroys the o-zone. Another thing it to take my bike instead of car or use a hybrid or an electric car if it is to far ( my destination) for a bike. Cooking food in my house with an oven is MUCH better for the clean air as well for the coal and charcoal used for grill, and wood for fires, causes a massive pinpointed area of smoke and destroy the air causing bug leaks of hydrogen in the air molecules.
Most bacteria are eventually able to change their genetic makeup in order to become resistant to antibiotics. Therefore, the antibiotics no longer have an effect on the infections.
