She has background in medicine and public health, and a PhD in geriatric epidemiology from karolinska institutet. Her major research areas including: 1) epidemiological studies of metabolic disorders (obesity and diabeets) and their relation to cognitive aging, dementia, cardiovascular disease and survival, 2) the impact of nutrtion and dietary patterns on chronic disorders among Swedish elderly poeple, and 3) dental health, brain MRI changes and cogntive impairment. These studies are mainly based on large population-based cohorts. She has involoved in several colloborative projects across Europe, Asia and USA. She is currently a main supervisor for four PhD students.