richard lipton, md, director, montefiore headache center; edwin s. lowe professor and vice chairman of neurology, albert einstein college of medicine. .
"in contrast, a mechanical mod is unregulated and works simply by drawing the power of a battery to an atomizer," he said. .
when robert had to go on full medical disability in his early 50s after hurting himself at work, helen went back to work, this time in the oil industry. .