A chronically high heart rate, even during periods of inactivity, does not automatically mean your teen is ill or using illicit drugs. Although marijuana, cocaine and other drugs can increase your teenâs resting heart rate, anxiety and overconsumption of caffeine can also elevate her resting heart rate to active levels.
Phantom smells, like burnt toast and burning hair, can be a sign of a stroke, but they can also be a sign of other conditions, explains NBC News. A tumor can also cause people to experience phantom smells, as can an infection in the brain. Keep Learning.
If the symptoms go away in the fresh air you could be feeling the effects of a gas leak or carbon monoxide poisoning. There can also be some clear signs from your household appliances that can indicate a leak, even if you can't smell gas: Always look for a crisp blue flame, rather than an orange or yellow flame.