A strep throat is basically an infection of the mucous membranes lining the pharynx. It is caused by bacteria and at times, infects the tonsils as well. Though it can affect anyone, school children are more prone to strep throat. Moreover, people who smoke or live in damp and crowded conditions are also readily infected with strep throat.
And while we are on the subject of saving fuel, don't forget to car pool when ever you get the opportunity and also begin cutting down your lawn every 2 weeks rather than every week. A beautiful lawn is good to have but skipping an additional week before you mow again shouldn't significantly affect it. Using a manual push lawn mower like those more commonly used many, many years ago will help to save planet Earth even more. You can still find these types of mowers in quite a few hardware stores.
Where - the best areas from which you can collect medicinal plants, are clean, off-the-beaten-track places, far from the intensely circulated roads or Polution, Worlds most poluted contries, Root Cause of polution. Avoid areas with artificial fertilizers or areas with high-level waste.
Another consideration is the thickness of the lens. The more corrective power your eyes require, the thicker the lens is. A thick lens presents a higher risk of infection. If your eyesight is very bad, RGP lenses might be a better choice for you, instead of soft contact lenses.
The moment people resolve to try living green, it's easy to make a couple of lifestyle alterations that will benefit the planet. The Net is a wonderful source of information on living green and how you can get rolling.