Brooke Shields shared that she had a “grand mal seizure," which she attributed to drinking too much water. Here's what to know about the potentially adverse effects.

Brooke Shields reveals that she had a grand mal seizure in September — and that Bradley Cooper was by her side as she was taken to the hospital.

Brooke Shields’ recent revelation that she experienced a grand mal seizure while gearing up for her solo show, “Previously Owned by Brooke Shields,” has the internet buzzing. Bradley Cooper ...

Actress Brooke Shields revealed in an interview published Wednesday that she suffered a grand mal seizure in September.

Brooke Shields, 58, revealed in Glamour's Women of the Year Issue that she recently suffered a grand mal seizure and Bradley Cooper helped her.

Brooke Shields reveals that she had a grand mal seizure in September — and that Bradley Cooper was by her side as she was taken to the hospital.

Brooke Shields revealed she recently experienced a grand mal seizure from drinking too much water, a rare but scary condition known as water toxicity.

Actress Brooke Shields revealed in an interview published Wednesday that she suffered a grand mal seizure in September. >> Read more trending news Shields, 58, a supermodel and the star of movies ...

Brooke Shields revealed she recently experienced a grand mal seizure from drinking too much water, a rare but scary condition known as water toxicity.