Many Alzheimer’s Experts Say Use of Aduhelm Should Be Sharply Limited

With our existing brain damage I can't see taking any drug that can possibly cause more brain damage. 

Many Alzheimer’s Experts Say Use of Aduhelm Should Be Sharply Limited

The sentence I'm concerned about:

The F.D.A. has so far imposed strikingly few limitations on Aduhelm, a monthly intravenous infusion that requires patients to have regular M.R.I. scans because the drug can cause swelling or hemorrhaging in the brain.