immune system

file d qzfs. Shutterstock / Mr.Exen Guillermo López Lluch, Universidad Pablo de Olavide My father smoked a pipe for some time, and I vividly remember that sticky black substance – tar – which stuck to the device’s filter. Now imagine this stuff going into your lungs, and coating their walls. The picture is unpleasant, to say the least. With the countless studies available today on the effects of tobacco use, […]