Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxic > Health-in-Motion 17 May 2016 Parkinson's disease As many as 60 to 80 percent of people who suffer from Parkinson's disease experience a decline in their vocal abilities, resulting in less variety in pitch, intensity and volume, and making their voice increasingly monotone. The remedy: joining a choir. Singing in a group with others once or twice a week has been shown to reverse some of these detrimental effects and can lead to significant improvements in a patient’s overall quality of life. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Lifestyle How does circumcision really affect your sex life? Here are the facts Lifestyle Do you feel sad after sex? This is why and what you can do about it Medical IBS – 4 symptoms that extend beyond your stomach Lifestyle Lung scans of smokers with COPD can reveal heart disease Lifestyle Here are the unexpected places where germs live Diet and nutrition For cod's sake, eat more seafood if you can From our sponsors Dementia and Incontinence: what you need to know Tell-tale signs you need a mattress upgrade Keen to win a R2 000 voucher? Good health begins in your gastrointestinal tract Live healthier Gut health » Can't lose weight? Blame it on your gut Our nutrition experts weigh in on why gut health is such an important factor in weight loss, on World Obesity Day. Sleep better » Yes, there is such a thing as too much sleep A new study confirms that too little sleep can impair your brain, but interestingly, too much sleep is also a problem.