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 08 October 2015 Overdosing on exercise Are you training for a marathon or another endurance event? If you train hard every day, perhaps for several hours, and allow no time for recuperation, you're probably overdoing things. Know the signs of overtraining. Take action: If you experience any of the following, you should take things a bit slower: dwindling enthusiasm for working out; increases in resting heart rate and resting blood pressure; muscle or joint soreness that won't go away; increased incidence of colds and infection; a decrease in appetite and weight; disturbed sleep; and increased irritability, anxiety or depression. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Parenting Single father: 'I speak to my daughter about sex' Medical Drinking coffee might help with this skin condition Medical Exercising with allergies – what you should know Medical Do therapists need therapy? News High infant death rate in dysfunctional Bloemfontein ward Lifestyle Scientists closer to drug that cuts nicotine dependence 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.