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import streamlit as st
# Function to calculate Basal Metabolic Rate (BMR) using the Mifflin-St Jeor Equation
def calculate_bmr(gender, age, weight, height):
if gender == 'Male':
# Mifflin-St Jeor Equation for Men: BMR = 10 * weight + 6.25 * height - 5 * age + 5
bmr = 10 * weight + 6.25 * height - 5 * age + 5
else:
# Mifflin-St Jeor Equation for Women: BMR = 10 * weight + 6.25 * height - 5 * age - 161
bmr = 10 * weight + 6.25 * height - 5 * age - 161
return bmr
# Function to calculate daily caloric needs based on activity level
def calculate_calories(bmr, activity_level):
activity_factor = {
'Sedentary (little or no exercise)': 1.2,
'Lightly Active (light exercise or sports 1-3 days a week)': 1.375,
'Moderately Active (moderate exercise or sports 3-5 days a week)': 1.55,
'Very Active (hard exercise or sports 6-7 days a week)': 1.725,
'Super Active (very hard exercise or physical job)': 1.9
}
calories = bmr * activity_factor[activity_level]
return calories
# Function to suggest a basic diet plan based on caloric needs
def generate_diet_plan(calories):
if calories < 1800:
return "Suggested Diet Plan: \n- Breakfast: Oatmeal with fruits \n- Snack: Yogurt with nuts \n- Lunch: Grilled chicken with vegetables \n- Snack: Fruits \n- Dinner: Salmon with steamed broccoli"
elif calories < 2500:
return "Suggested Diet Plan: \n- Breakfast: Scrambled eggs with toast and avocado \n- Snack: Protein shake \n- Lunch: Turkey and quinoa salad \n- Snack: Hummus with carrot sticks \n- Dinner: Grilled steak with sweet potatoes"
else:
return "Suggested Diet Plan: \n- Breakfast: Protein pancakes with berries \n- Snack: Mixed nuts and protein bar \n- Lunch: Grilled chicken with rice and veggies \n- Snack: Cottage cheese with fruit \n- Dinner: Beef stir-fry with vegetables and noodles"
# Streamlit UI setup
st.title("Diet Plan Generator")
st.markdown("""
This application generates a personalized diet plan based on your gender, age, weight, height, and activity level.
Please enter your details to get started!
""")
# Sidebar for input values
st.sidebar.header("Input Your Details")
gender = st.sidebar.selectbox("Gender", ["Male", "Female"])
age = st.sidebar.number_input("Age", min_value=18, max_value=100, value=25)
weight = st.sidebar.number_input("Weight (in kg)", min_value=30, max_value=200, value=70)
height = st.sidebar.number_input("Height (in cm)", min_value=100, max_value=250, value=170)
activity_level = st.sidebar.selectbox(
"Activity Level",
['Sedentary (little or no exercise)', 'Lightly Active (light exercise or sports 1-3 days a week)',
'Moderately Active (moderate exercise or sports 3-5 days a week)',
'Very Active (hard exercise or sports 6-7 days a week)', 'Super Active (very hard exercise or physical job)']
)
# Calculate BMR and Daily Caloric Needs
bmr = calculate_bmr(gender, age, weight, height)
daily_calories = calculate_calories(bmr, activity_level)
# Generate Diet Plan
diet_plan = generate_diet_plan(daily_calories)
# Create interactive columns for a clean layout
col1, col2 = st.columns(2)
with col1:
st.subheader("Your Profile")
st.write(f"**Gender**: {gender}")
st.write(f"**Age**: {age} years")
st.write(f"**Weight**: {weight} kg")
st.write(f"**Height**: {height} cm")
st.write(f"**Activity Level**: {activity_level}")
with col2:
st.subheader("Your Estimated Daily Caloric Needs")
st.write(f"**BMR (Basal Metabolic Rate)**: {bmr:.2f} kcal/day")
st.write(f"**Total Daily Calories**: {daily_calories:.2f} kcal/day")
# Display the suggested diet plan
st.subheader("Suggested Diet Plan:")
st.write(diet_plan)
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