ADVERTISEMENT Lowering your levels of bad cholesterol could significantly curb your risk of dementia, new research suggests. Last year, an international panel of dementia experts said that high levels of low-density lipoprotein (LDL) cholesterol – commonly referred to as “bad” cholesterol – are a risk factor for dementia. But the new study, which included nearly 109,000 people, offers a clearer picture of exactly how strong that link is. People with lower LDL cholesterol levels had a 26 per