E say: Among people who as young adults neither drink alcohol immoderately nor smoke, those who never marry live as long as those who marry.

• 结了婚的人会更可能放弃坏习惯（这说明是与结婚有关，因为结婚了，有人管所以坏毛病减少了，而原文结论说与婚姻无关）因此，这个选项不是支持，反而是削弱。