Excluding themselves from an activity they normally love
D- they were not treated for or told they had syphillis. Instead, researchers told the men that they were receiving free treatment for what they called “bad blood”. Around this time, penicillin was found to be a decent method of treatment for syphillis, but researchers instead treated the men with ointments and other methods that didn’t work.
Surgical scalpel is re useable because it can be easily sanitized
