When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A cancer diagnosis is so difficult. It felt very devastating when Dave called. Dave and [his wife] Melissa called and let us know personally before it went out to the press.

The "Full House" alum revealed Thursday that he wasn't able to shave his head because he's filming a new project soon — and said the criticism "really hurt me."

"Full House" alum Dave Coulier revealed that he has been diagnosed with cancer, specifically Stage 3 non-Hodgkin lymphoma.

John Stamos is showing his support for his former “Full House” co-star, Dave Coulier, amid his cancer diagnosis. The actor sported a bald cap in “solidarity” with Coulier who was recently diagnosed with Stage 3 Non-Hodgkin lymphoma,

Dave Coulier and John Stamos have a long history. The two spent years filming the beloved series Full House together, but their friendship did not end there. After the 65-year-old revealed he was diagnosed with stage 3 Non-Hodgkin lymphoma,

Earlier this month, the Full House actor - known for playing Joey Gladstone on the sitcom, revealed he had been diagnosed with a "very aggressive" form of non-Hodgkin lymphoma and was undergoing chemotherapy treatments.

John Stamos defended his actions after facing backlash for wearing a bald cap to show support for fellow “Full House” star Dave Coulier, amid his cancer battle. The internet attacked the famous actor when he shared Instagram posts of himself shaving Coulier’s head,