February 18, 2021 11:56 am Demi Lovato Says Her 2018 Drug Overdose Caused Brain Damage Ahead of her upcoming YouTube docuseries, Demi Lovato says she suffered a heart attack and multiple strokes after her near-fatal drug overdose in 2018, which left her with brain damage. US & World Videos 3:00 Seth Rogen & Lauren Rogen recruit celebrity friends to help teach brain health education 2:38 Met Gala couples over the years: Priyanka Chopra & Nick Jonas & more 2:39 Melissa McCarthy reacts to Barbra Streisand's Ozempic question 0:25 New Kristi Yamaguchi Barbie announced 7:10 Taylor Swift shares the meanings behind ‘Florida,' ‘Fortnight,' and others from her ‘TTPD' album