Salmon, purslane and blueberries: how well do you know this week's nutrition news?

We picked a week's worth of nutrition science stories: what does research say about salmon, gut health, and an underrated garden weed? Let's see how closely you followed along.

1. According to a new study, what is behind the declining nutritional value of farmed salmon?
2. According to the article, what is the real key to gut health — NOT supplements?
3. Why is purslane, which many pull as a garden weed, nutritionally interesting?
4. What effect did Japanese researchers observe from pterostilbene — also found in blueberries — in mouse muscle cells?
5. According to Japanese dietitian Michiko Tomioka, how many anti-inflammatory foods does she always keep at home?
6. Who presented a three-pillar approach to natural immune support in a recent podcast, along with common autumn mistakes?
7. According to a dietitian, which autumn fruit can naturally help lower cholesterol levels?