| 1 | In 2007 there were 180 closures, a record, largely because of an influx of young haddock. | |
| 2 | The species of interest to Dr Wirgin is the Atlantic tomcod of the Hudson river in upstate New York. | |
| 3 | The last fish turns out to be no cod or haddock but something eel-like, scary and toothy. | |
| 4 | A recent study found that 25% of putative cod or haddock bought from fishmongers and take-away restaurants were not even the right species. | |
| 5 | Sunlight is the primary way to get vitamin D, although taking certain nutritional supplements -- like cod liver oil -- can also help. |