ingestion

Additionally, the new findings suggest that ingestion of glyphosate residues on foods sprayed with the herbicide potentially poses a health hazard.

One study found that between 1985 and 2009, the percentage of button battery ingestions that led to serious or deadly injuries had risen more than sixfold.

Pogba's four-year ban was reduced to 18 months earlier this month after the Court of Arbitration for Sport accepted his ingestion of a banned substance "was not intentional".

"Though considered to have low acute human toxicity, occupational exposure or accidental exposure through ingestion of pyrethroid insecticides may lead to dermal irritation, nausea and vomiting, and dizziness," the authors report.

The proverbial "sugar high" that follows the ingestion of a sweet treat is a familiar example of the potentially positive effects of food on mood.