The drug finasteride stops hair loss by slowing down the effects of male hormones on follicles in the resting phase. However, it also causes the shedding of existing hair to make way for new growth. This shedding is expected as the follicles in the resting stage need to shed any existing hair to grow healthy…

Every day, millions of cigarette butts are thrown away into the environment. These discarded butts contain heavy metals such as arsenic, chromium, nickel, and cadmium that can leach into the soil and water sources. Fortunately, some cities are trying to find ways to use this waste better. They are also encouraging citizens to dispose of…