I knew finally my courses in philosophie would pay off:(posted 8704 days ago)Black and white photography is an art of turning valuables, like money and time, into something one can nail to the wall as a "silver gelatine print". By doing so it prevents people from spending time and money on alcohol etc. So photography improves your health, well actually, we should apply for coverage of our expenses as health treatment...this would turn b/w films into medicine!
Please be aware that some chemicals release funny fumes....
Wolfram