What is a significant side effect of consuming Deadly Nightshade?

Deadly Nightshade, also known as Atropa belladonna, contains tropane alkaloids such as atropine and scopolamine, which have significant psychoactive effects. One of the characteristic side effects of consuming this plant is hallucinations, which occur due to its influence on the neurotransmitter acetylcholine in the nervous system. The alkaloids can cross the blood-brain barrier, leading to distorted perceptions and altered states of consciousness. This halucinogenic property is a notable aspect of its pharmacological profile and one of the reasons why it is considered highly toxic.

The other options do not accurately represent the effects of consuming Deadly Nightshade. Enhanced digestion and improved muscle tone are not associated with the plant, as its toxicity can lead to various adverse effects rather than benefits. Headaches can occur for various reasons but are not a hallmark effect specifically linked to Deadly Nightshade. Thus, hallucinations stand out as a significant and well-documented side effect of this plant.