1 As a users I can record all (environmental factors) the food, drinks, activies I do throughout the day with logged times and dates.
2 As a user I can record various health markers all day like symptoms, allergic reations, energy/tiredness, mood, etc.
3 As a user I can tag my food/activities with relevant tags - like known allergins, ingredients, brands, places.
4 As a user I can write a summary journal entry of my day and rate my day.
5 As a user I can take note of my mood, energy levels, general feeling about my day.