Home > Newsletters > Need to Know > Other people’s pens can transmit viruses Updated 19 July 2016 Action point 0 Don't smoke! Heavy smokers get more severe and frequent colds. Even being around smoke compromises the immune system, your body's defence against germs. For the latest on flu jabs and cold remedies, visit the Cold & Flu Centre. More: Need to KnowOther people’s pens can transmit viruses advertisement Other news Medical SEE: Why do I get asthma when I exercise? Medical Scientists discover a possible cause for restless legs syndrome Lifestyle How being the office germaphobe is making you sick Fitness 4 reasons your muscles are cramping up Parenting Things you shouldn't say to someone who stutters Sex This is exactly how long the sex ‘afterglow’ lasts, according to science From our sponsors R2000 Skin Renewal online store voucher up for grabs! Dementia and Incontinence: what you need to know 8 strategies for treating both your bladder problems and your depression Live healthier Don't even bother » SEE: When you cough, this is what happens to your body LISTEN: Can you spot the smoker’s cough? 7 cough remedies that definitely don’t work A chronic cough can be the bane of your life. Here are seven cough remedies you shouldn't waste your time with. Be in the know! » How to manage sensitive teeth 5 ways runners mess up their teeth Oral health basics: what you need to know Dr Simon Reeves talks us through the importance of oral health basics. Here’s how to care for your teeth properly.