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Scientists have recently discovered a parasite that can be found from cats and cause a woman to suffer severe premenstrual syndrome (PMS). The parasite can intensify the symptoms such as anger, anxiety and depression.

The cats carry these parasites in their bloodstream. Toxoplasma Gondii is an organism present in a cat's feces that can spread through emptying cat litter.

The research involved the study of 151 women with premenstrual dysphoric disorder (PMDD). PMDD can be found in one out of 12 women. It has been reported to cause low self-esteem, extreme anger, persistent depression and even suicidal thoughts according to Daily Mail.

It was presumed that these severe cases were because of complex interaction between genetic susceptibility and hormones. There have been previous studies as well that linked the parasite to aggression, anxiety and schizophrenia in humans.

However, this recent study from the Juarez University of Durango State in Mexico revealed how toxoplasma gondii can affect women with PMS.

Blood samples were taken and analyzed to see if the women carried the parasite in their blood. Results showed positive for the parasite in 10 of the women. It was found that these women had intense feelings of being overwhelmed or out of control nine times more compared to those who didn't have the parasite.

Apparently, the parasite did not seem to affect other PMS symptoms, such as worsening their difficulty with concentration.

Researchers said that they needed to verify their findings through conducting more studies. The finding itself is groundbreaking for them as it linked toxoplasma gondii infection to PMDD.

According to Belfast Telegraph, it is normal to experience PMS two weeks before the period. But the National Health Service greatly advises women to go see a doctor if symptoms get worse and make life difficult for them.