Here is a concise summary of the text:
**Title:** Author's 30-Day Experiment with the "One Meal a Day" Diet
**Objective:** To explore the effects of eating only one meal a day for 30 days on the author's body.
**Key Findings:**
* **Pros:**
1. Reduced mental effort in meal planning
2. Effective for sustaining weight loss (if portion control is maintained)
3. Decreased appetite over time
* **Cons:**
1. Initial severe hunger pains and stomach cramping
2. Low energy levels (especially in the first week)
**Results:** The author lost a few pounds, felt healthier, and was proud of completing the diet.
**Important Notes:**
* Individual results may vary; consult a doctor before attempting this diet.
* Medical experts have concerns, particularly for women (iron deficiency) and people with diabetes (blood sugar balance).
Here are the key facts extracted from the text, excluding opinions, with each fact numbered and in short sentences:
1. **Human Survival without Food**: The human body can survive without food for up to three weeks.
2. **Human Survival without Water**: Without water, a person can last no more than three to four days.
3. **Duration of Experiment**: The author ate one meal a day for 30 days as part of an experiment.
4. **Initial Hunger Pangs Duration**: Severe hunger pangs lasted for the first couple of days of the diet.
5. **Stomach Adjustment**: The author's stomach adjusted to the new eating pattern after a few days, reducing hunger.
6. **Calorie Intake Effect**: Consuming substantially fewer calories led to lower energy levels initially.
7. **Energy Levels Adjustment**: Energy levels balanced out after the initial period of low energy.
8. **Result of the Experiment**: The author dropped a few pounds after the 30-day experiment.
9. **Gender Response to Diet**: Women and men respond differently to the one meal a day diet, with women having a stronger need for iron.
10. **Specific Health Conditions**:
* **Type 2 Diabetes**: The diet can be helpful for weight loss and reducing blood sugar levels, according to a 2017 University of Saskatchewan study.
* **Obesity**: Reduced calorie intake has been linked to increased lifespan in people with obesity.
* **Heart Function and Memory**: Some studies suggest a connection between reduced calorie intake and improved heart function and memory.
11. **Medical Recommendation**: It's recommended to consult a doctor before starting the one meal a day diet, especially for individuals with certain health conditions like diabetes.