The âsniff a poisonâ challenge. Welcome to the âSniff a Poisonâ Challenge! Below is a list of odo(u)rs. For each different odour try to identify the poison(s) or toxin(s) that can give rise to it â then click on the odour (in blue) to show/hide the answer. If there are multiple answers, the number of answers listed is shown in brackets.
Tremors can also be caused by conditions or medicines that affect the nervous system, including Parkinson's disease, liver failure, alcoholism, mercury or arsenic poisoning, lithium, and certain antidepressants.
Tremors, in general, can be caused by a variety of conditions like Parkinsonâs disease, overactive thyroid, alcoholism and stroke. These tremors are not characterized as essential tremor. The exact cause of essential tremor is unknown. Scientists have not found absolute genetic or environmental causes, and no cellular defect has been linked to the condition.