To learn more about what's happening on the International Space Station at any given time, check out NASA's frequently-updated ISS blog or their page about the research and development work happening on ISS.
Depends on your body type and metabolism and your routine. But usually it takes around 3 to 4 weeks for visible results. For me it took me a couple of months to actually see any progress visually.
How long does it take to see facelift results? Facelift results should be immediately noticable, with final results seen about 4-6 months after the procedure. The bulges you describe are prominent submandibular glands--the treatment of these is challenging, and you should seek out a surgeon who routinely performs such treatment, which can include suspension or partial resection of the glands.