To lose weight you have to burn more energy than you ingest - fact. However, although CICO always applies (law of physics), it tells us nothing about why you are burning x amount of energy. It is much more complicated than simply eating less cals. (thread)

Under-recognized causes of weight loss difficulty:
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">hormonal imbalances/changes, i.e. PCOS, menopause, low estrogen, low T in men, etc.
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">hypothyroidism
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">meds
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">stress (https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬆️" title="Upwards arrow" aria-label="Emoji: Upwards arrow">cortisol, https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬆️" title="Upwards arrow" aria-label="Emoji: Upwards arrow">insulin resistance, https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬆️" title="Upwards arrow" aria-label="Emoji: Upwards arrow">inflammation, etc.)

https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">inflammation, i.e. autoimmune disease, histamine intolerance, individual food sensitivities, etc.
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">lack of sleep (hormones: insulin resistance, https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬇️" title="Downwards arrow" aria-label="Emoji: Downwards arrow">leptin, https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬆️" title="Upwards arrow" aria-label="Emoji: Upwards arrow">ghrelin)

https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">adaptive thermogenesis: cycles of weight loss and gain naturally slows down metabolism, eating too few calories for long period of time
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">nutritional deficiencies: B vitamins, magnesium, iron, protein, etc.
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">impaired gut health
https://abs.twimg.com/emoji/v2/... draggable="false" alt="❗️" title="Red exclamation mark symbol" aria-label="Emoji: Red exclamation mark symbol">leptin resistance