Brendan O'Connor Prof Luke O’Neill - How to get through ‘Sniper’s Alley’ and optimise your health in midlife
Feb 22, 2026
Prof Luke O’Neill, biochemistry and immunology professor and inflammation researcher, outlines how to fortify health in midlife. He explains the rise in risks around your 50s and shares practical tips on diet, exercise, sleep, inflammation and vaccines. Short, actionable habits and social connections are emphasized as ways to reduce long-term disease risk.
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Inflammation Is A Central Target In Ageing Diseases
- Chronic inflammation underlies many ageing diseases including Alzheimer's, MS and colitis, making anti-inflammatory research a major therapeutic frontier.
- Luke O'Neill highlights hundreds of ongoing trials targeting inflammation in neurodegenerative diseases.
Good Sleep Lets The Brain Clear Toxic Waste
- Prioritise sleep to let the brain clear daily toxins; insufficient sleep allows buildup linked to Alzheimer's and Parkinson's.
- Luke O'Neill describes a sleep 'sluice' that moves brain waste to the liver for clearance overnight.
Balance Alcohol Use With Cancer Risk And Stress Relief
- Be pragmatic about alcohol: lowest-cancer-risk is unclear, but moderate drinking that reduces stress may be net-beneficial for some.
- Luke O'Neill warns there's no proven safe limit and cancer risks exist, so balance stress reduction with moderation.