Marianna Budanova is the wife of Kyrylo Budanov, who heads Ukrainian military intelligence agency GUR.
Kostyuchenko and her doctors initially believed she was suffering from COVID-19 symptoms, and by the time full tests were run, it was too late to test for poison.
Hyponatremia, commonly known as water poisoning, occurs when excessive water consumption leads to a dangerous drop in the concentration of salts in the blood.
An Australian woman is suspected of poisoning her in-laws by serving them beef wellington prepared with toxic death cap mushrooms.
A new species of venomous snake has been identified in Australia, with its colorful body and active hunting style being a cause for concern.
A viral new health trend on TikTok is seeing people eat borax, a cleaning agent and pesticide, to treat joint pain. While borax is natural, it is still toxic.
One woman's creative approach to stopping her roommate from stealing food went viral recently, prompting mixed reactions from viewers.
The venom from a single cone snail can claim the lives of up to 700 individuals, and this man almost became one of its victims.
Poisonous snakes have begun to come out of hiding in Israel now that the weather has gotten warmer. Experts are urging caution.
Some of these umbrella-shaped plants have a multitude of medicinal properties.