All the baloney about Area 51 ! Groom lake is just a testing ground for new aircraft is all. There isn't any aliens hidden in there. Think about it. What kind of advanced being would crash on Earth and not recover the beings that were flying it? Or their technology!
Expect a cold to last 7-10 days. You can take Sudafed for the stuffy nose. Tylenol treats a sore throat. There are lots of over-the-counter cough suppressants. It's best not to take a combo pill with a bunch of medicines combined, because it is easier to overdose by accident - especially medicines with acteminaphen (Tylenol)
The only thing you can do for the common cold, is treat your symptoms. It really just has to run its course. Hope you feel better!