Type 1 diabetes is a condition where your body cannot make a hormone called insulin.
Insulin helps your body use glucose (sugar) for energy. Without insulin the level of glucose in your blood becomes too high.

If you have type 1 diabetes, you'll need to take insulin every day to manage your blood glucose levels.
Type 1 diabetes often starts in children and young adults, but it can happen at any age.

There's currently no cure for type 1 diabetes, but it can be managed by checking your blood glucose regularly, tracking what you eat and drink, and adjusting how much insulin you take.

It's not possible to prevent type 1 diabetes. It's caused by a problem with your immune system (autoimmune condition).

Type 1 diabetes is different from type 2 diabetes, which is more common in older people and people who are overweight.


https://www.nhs.uk/conditions/type-1-diabetes/

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⢠⣿⣿⡇⢸⣿⣿⣿⡇⠄⢹⣿⣿⣿⡀⣿⣧⢸⣿⣿⣿⠁⡇⢸⣿⣿⠁⣿⣿⣿ ⢏⣾⣿⣿⣿⠿⣟⢁⡴⡀⡜⣠⣶⢸⣿⣿⢃⡇⠂⢁⣶⣦⣅⠈⠇⠄⢸⢸
⢸⣿⣿⡇⠸⣿⣿⣿⣿⡄⠈⢿⣿⣿⡇⢸⣿⡀⣿⣿⡿⠸⡇⣸⣿⣿⠄⣿⣿⣿ ⣹⣿⣿⣿⡗⣾⡟⡜⣵⠃⣴⣿⣿⢸⣿⣿⢸⠘⢰⣿⣿⣿⣿⡀⢱⠄⠨⢸
⢸⣿⡿⠷⠄⠿⠿⠿⠟⠓⠰⠘⠿⣿⣿⡈⣿⡇⢹⡟⠰⠦⠁⠈⠉⠋⠄⠻⢿⣿ ⣿⣿⣿⣿⡇⣿⢁⣾⣿⣾⣿⣿⣿⣿⣸⣿⡎⠐⠒⠚⠛⠛⠿⢧⠄⠄⢠⣼
⢨⡑⠶⡏⠛⠐⠋⠓⠲⠶⣭⣤⣴⣦⣭⣥⣮⣾⣬⣴⡮⠝⠒⠂⠂⠘⠉⠿⠖⣬ ⣿⣿⣿⣿⡇⣿⢁⣾⣿⣾⣿⣿⣿⣿⣸⣿⡎⠐⠒⠚⠛⠛⠿⢧⠄⠄⢠⣼
⠈⠉⠄⡀⠄⣀⣀⣀⣀⠈⢛⣿⣿⣿⣿⣿⣿⣿⣿⣟⠁⣀⣤⣤⣠⡀⠄⡀⠈⠁ ⣿⣿⣿⣿⠃⠿⢸⡿⠭⠭⢽⣿⣿⣿⢂⣿⠃⣤⠄⠄⠄⠄⠄⠄⠄⠄⣿⡾
⠄⠠⣾⡀⣾⣿⣧⣼⣿⡿⢠⣿⣿⣿⣿⣿⣿⣿⣿⣧⣼⣿⣧⣼⣿⣿⢀⣿⡇⠄ ⣼⠏⣿⡏⠄⠄⢠⣤⣶⣶⣾⣿⣿⣟⣾⣾⣼⣿⠒⠄⠄⠄⡠⣴⡄⢠⣿⣵
⡀⠄⠻⣷⡘⢿⣿⣿⡿⢣⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣜⢿⣿⣿⡿⢃⣾⠟⢁⠈ ⣳⠄⣿⠄⠄⢣⠸⣹⣿⡟⣻⣿⣿⣿⣿⣿⣿⡿⡻⡖⠦⢤⣔⣯⡅⣼⡿⣹
⢃⢻⣶⣬⣿⣶⣬⣥⣶⣿⣿⣿⣿⣿⣿⢿⣿⣿⣿⣿⣿⣷⣶⣶⣾⣿⣷⣾⣾⢣ ⡿⣼⢸⠄⠄⣷⣷⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣕⡜⡌⡝⡸⠙⣼⠟⢱⠏
⡄⠈⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣼⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⠘ ⡇⣿⣧⡰⡄⣿⣿⣿⣿⡿⠿⠿⠿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣋⣪⣥⢠⠏⠄
⣿⡐⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⢠⢃ ⣧⢻⣿⣷⣧⢻⣿⣿⣿⡇⠄⢀⣀⣀⡙⣿⣿⣿⣿⣿⣿⣿⣿⣿⡇⠂⠄⠄
⣿⣷⡀⠈⠻⣿⣿⣿⣿⣿⣿⣿⣿⠿⠿⠿⠿⢿⣿⣿⣿⣿⣿⣿⣿⡿⠋⢀⠆⣼ ⢹⣼⣿⣿⣿⣧⡻⣿⣿⣇⣴⣿⣿⣿⣷⢸⣿⣿⣿⣿⣿⣿⣿⣿⣰⠄⠄⠄
⣿⣿⣷⡀⠄⠈⠛⢿⣿⣿⣿⣿⣷⣶⣶⣶⣶⣶⣿⣿⣿⣿⣿⠿⠋⠠⠂⢀⣾⣿ ⣼⡟⡟⣿⢸⣿⣿⣝⢿⣿⣾⣿⣿⣿⢟⣾⣿⣿⣿⣿⣿⣿⣿⣿⠟⠄⡀⡀
⣿⣿⣿⣧⠄⠄⢵⢠⣈⠛⠿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⢋⡁⢰⠏⠄⠄⣼⣿⣿ ⣿⢰⣿⢹⢸⣿⣿⣿⣷⣝⢿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠿⠛⠉⠄⠄⣸⢰⡇
⢻⣿⣿⣿⡄⢢⠨⠄⣯⠄⠄⣌⣉⠛⠻⠟⠛⢋⣉⣤⠄⢸⡇⣨⣤⠄⢸⣿⣿⣿ ⣿⣾⣹⣏⢸⣿⣿⣿⣿⣿⣷⣍⡻⣛⣛⣛⡉⠁⠄⠄⠄⠄⠄⠄⢀⢇⡏⠄
⣿⡇⠘⡇⢀⣶⣶⠄⠈⣾⡟⢂⣿⣿⣿⣿⣿⣿⡿⢉⢾⢃⣿⣿⡟⣸⢸⣿⣿⣸⢰⡟⣡⡟⣱⣿⡿⠡⢛⣋⣥⣴⣌⢿⣿⣿⣿⣿⣷⣌⠻⢿⣿⣿⣿⣿⣿⣿
⣿⢸⣦⢧⢸⣿⣿⢱⠄⠄⣇⣼⣿⣿⣿⣿⣿⢟⣼⣿⡯⠸⣿⢳⢱⡏⣼⣿⢇⣿ ⠏⢼⡿⣰⡿⠿⠡⠿⠿⢯⣉⠿⣿⣿⣿⣿⣿⣿⣷⣶⣿⣦⣍⠻⢿⣿⣿⣿
⡏⣾⢽⣼⢸⣿⣿⡘⣆⢀⠛⣿⣿⣿⣿⡿⣫⣾⣿⣿⢇⣿⠂⢌⡾⡇⣿⡿⢸⣿ ⣼⣷⢠⠀⠀⢠⣴⡖⠀⠀⠈⠻⣿⡿⣿⣿⣿⣿⣿⣛⣯⣝⣻⣿⣶⣿⣿⣿
⢧⣿⠄⢹⢸⣿⣿⣷⣭⢸⡄⣿⣿⣿⢋⣵⣿⣿⡿⠟⡨⡡⠄⣾⣿⡆⣭⡇⣿⣿ ⣿⡇⣿⡷⠂⠈⡉⠀⠀⠀⣠⣴⣾⣿⣿⣿⣿⣿⣍⡤⣤⣤⣤⡀⠀⠉⠛⠿
⣼⡏⡀⠄⢀⢿⣿⣿⡟⣾⡇⣿⡿⣡⢁⣿⣿⣫⡶⢃⡵⣡⣿⣮⡻⡇⣿⢸⣮⢿ ⣿⢸⣿⡅⣠⣬⣥⣤⣴⣴⣿⣿⢿⣿⣿⣿⣿⣿⣟⡭⡄⣀⣉⡀⠀⠀⠀⠀
⣿⡇⣧⢠⠸⡎⡍⡭⢾⡏⣧⢋⢾⠏⣼⣿⣿⠿⣵⣾⣕⠿⣿⣿⣷⢡⠏⣾⣿⣿ ⡟⣿⣿⢰⣿⣿⣿⣿⣿⣿⣿⣿⣾⣿⣿⣿⣿⣿⣿⣿⣶⣦⣈⠀⠀⠀⢀⣶
⣿⠁⣿⠈⠄⠄⢃⢹⡀⠸⢸⢿⠸⢰⢻⢿⣟⢁⣀⠄⠄⠉⠒⢝⢿⠸⣴⣿⣿⣿⡧⣿⡇⣼⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⣶⣾⣿
⡍⠇⣿⣷⢰⢰⢸⠄⡃⡆⠈⠈⡀⡌⠠⠸⠃⣿⣏⡳⢷⢄⡀⠄⠄⠰⣿⣿⣿⣿⡇⣿⠃⣿⣿⣿⣿⣿⠛⠛⢫⣿⣿⣻⣻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⣿
⡇⠄⠸⣿⢸⣿⣶⡄⣇⠃⡇⡄⡇⠁⠃⠄⠈⢊⠻⠿⣿⣿⣿⣦⠄⠘⣿⣿⣿⣿ ⡇⣿⠘⡇⢻⣿⣿⣿⡆⠀⠀⠀⠀⠈⠉⠙⠻⠏⠛⠻⣿⣿⣿⣿⣿⣭⡾⢁
⡇⠄⠄⢻⣸⣿⣿⠏⡙⢸⣇⣡⢰⢀⠄⠄⠄⠈⡁⢱⢈⢿⣿⡿⡄⣰⣶⣿⣿⣿⡇⣿⠀⠘⢿⣿⣿⣿⣧⢠⣤⠀⡤⢀⣠⣀⣀⠀⠀⣼⣿⣿⣿⣿⣿⠟⣁⠉
⡇⠄⠄⠄⢻⣿⡿⢰⡇⠆⠲⠶⣝⠾⠸⢴⢠⠄⠇⢸⢸⠄⡶⡜⣽⣿⣿⣿⣿⢏ ⣧⢻⠀⡄⠀⠹⣿⣿⣿⡸⣿⣾⡆⣿⣿⣿⠿⣡⣾⣿⣿⣿⣿⡿⠋⠐⢡⣶
⠁⠄⠄⠄⠄⢿⡇⠧⢣⣸⣦⣄⣀⠁⠓⢸⣄⠸⢀⠄⡀⡀⡪⣽⣿⣿⢿⣿⢟⣬⣧⢻⠀⡄⠀⠹⣿⣿⣿⡸⣿⣾⡆⣿⣿⣿⠿⣡⣾⣿⣿⣿⣿⡿⠋⠐⢡⣶
⠄⠄⠄⠄⠄⠈⢧⠯⢸⣿⣿⣿⡿⠰⣷⠄⣿⣇⡿⠄⡀⠦⣰⣿⡿⣱⣿⡏⢾⣫⣿⡘⠈⣷⠀⠀⠈⠻⣿⣷⣎⠐⠿⢟⣋⣤⣾⣿⣿⣿⡿⠟⣩⠖⢠⡬⠈⠀
⠄⠄⠄⠄⠄⠄⠈⣌⢌⢿⣿⣿⠇⠼⢃⢠⢇⣻⣧⣿⡡⣸⣿⠿⢁⡟⢁⣳⣿⣿ ⣿⣧⠁⢻⡇⠀⠀⠀⠈⠻⣿⣿⣿⣿⣿⣿⠿⠟⠋⠁⢀⠈⢀⡴⠈⠁⠀⠀
⠄⠄⠄⠄⠄⠄⠄⠄⠳⢝⣒⣒⠰⣘⣴⡧⠿⣿⣛⡯⣱⡿⣫⢎⣪⣎⣿⣧⢻⠿⠻⣿⣆⠘⣿⠀⠀⣀⡁⠀⠈⠙⠛⠋⠉⠀⠀⠀⠀⡀⠤⠚⠁⠄⣠