Liu et al24 have found that intranasal PBMT improved blood lipids and haemorheology in patients with coronary heart disease or cerebral infarction; Lilach Gavish's group also showed that PBMT enhanced the blocking of abdominal aortic aneurysms by collagen matrix reinforcement in Apolipoprotein E (ApoE)−/− mice.25 The gene discussed is APOE; the disease is brain infarction.