What changes in the heart with age, what WHO and heart guidelines recommend, the numbers to check and a simple weekly checklist.
How much to drink after exercise, how to measure sweat loss, why sodium matters, drinks compared and how to avoid overdrinking.
Find EPA and DHA on any omega-3 label, check serving size, work out cost per 1,000 mg, and know what to check on cod liver, algae and plant oils.
How much protein you need after 40: official figures vs expert advice compared, a worked example, meal ideas, strength work, and who needs individual advice.
How Australians get vitamin D from sun safely using the UV Index, who runs low, Medicare testing rules, trial results and how advice differs overseas.
What research found about eating patterns and inflammation markers, why most evidence is observational, and why popular supplements disappoint.
Five simple nutrition habits for active adults: eating enough, protein spread across meals, carbs matched to training, hydration and recovery meals.