Detailed text transcripts for TV channel - DW - 20180130:04:38:00
Directly. their firy chilly weather weakens our immune systems slow circulation and our blood vessels constrict. but it's viruses that are the real culprits they take advantage of the situation. the meat has membranes in our mouth or nose unable to ward off the invaders. what's more cold viruses are constantly mutating there are more than two hundred different kinds. having had one cold doesn't mean you won't get another. there's another possible reason for this phenomenon in winter where often huddled together indoors in heated poorly aired rooms. the dry air makes our mucous membranes vulner...