DESCRIBE users:
id - int
name - varchar(100)
email - varchar(100)
password - varchar(255)
age - int
weight - float
height - float
diet_preference - enum('veg','non-veg','keto','vegan')
target_calories - int
target_protein - decimal(5,2)
target_carbs - decimal(5,2)
target_fat - decimal(5,2)
last_synced - datetime

DESCRIBE foods:
id - int
food_name - varchar(255)
category - varchar(100)
calories - int
protein - float
iron - float
calcium - float
carbs - double
fat - double
fiber - double
sodium - double
vitamin_d - double