diff --git a/src/graph_manager.py b/src/graph_manager.py
index a222abd..15ffad2 100644
--- a/src/graph_manager.py
+++ b/src/graph_manager.py
@@ -4,6 +4,8 @@ import matplotlib.figure
 from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
 from matplotlib.axes import Axes
 from tkinter import ttk
+import tkinter as tk
+from typing import Dict
 
 
 class GraphManager:
@@ -16,17 +18,75 @@ class GraphManager:
         self.parent_frame.grid_rowconfigure(0, weight=1)
         self.parent_frame.grid_columnconfigure(0, weight=1)
 
+        # Initialize toggle variables for chart elements
+        self.toggle_vars: Dict[str, tk.BooleanVar] = {
+            "depression": tk.BooleanVar(value=True),
+            "anxiety": tk.BooleanVar(value=True),
+            "sleep": tk.BooleanVar(value=True),
+            "appetite": tk.BooleanVar(value=True),
+        }
+
+        # Create control frame for toggles
+        self.control_frame: ttk.Frame = ttk.Frame(self.parent_frame)
+        self.control_frame.grid(row=0, column=0, sticky="ew", padx=5, pady=5)
+
+        # Create toggle checkboxes
+        self._create_toggle_controls()
+
+        # Create graph frame
+        self.graph_frame: ttk.Frame = ttk.Frame(self.parent_frame)
+        self.graph_frame.grid(row=1, column=0, sticky="nsew", padx=5, pady=5)
+
+        # Reconfigure parent frame for new layout
+        self.parent_frame.grid_rowconfigure(1, weight=1)
+        self.parent_frame.grid_columnconfigure(0, weight=1)
+
         # Initialize matplotlib figure and canvas
         self.fig: matplotlib.figure.Figure
         self.ax: Axes
         self.fig, self.ax = plt.subplots()
         self.canvas: FigureCanvasTkAgg = FigureCanvasTkAgg(
-            figure=self.fig, master=self.parent_frame
+            figure=self.fig, master=self.graph_frame
         )
         self.canvas.get_tk_widget().pack(fill="both", expand=True)
 
+        # Store current data for replotting
+        self.current_data: pd.DataFrame = pd.DataFrame()
+
+    def _create_toggle_controls(self) -> None:
+        """Create toggle controls for chart elements."""
+        ttk.Label(self.control_frame, text="Show/Hide Elements:").pack(
+            side="left", padx=5
+        )
+
+        toggle_configs = [
+            ("depression", "Depression"),
+            ("anxiety", "Anxiety"),
+            ("sleep", "Sleep"),
+            ("appetite", "Appetite"),
+        ]
+
+        for key, label in toggle_configs:
+            checkbox = ttk.Checkbutton(
+                self.control_frame,
+                text=label,
+                variable=self.toggle_vars[key],
+                command=self._on_toggle_changed,
+            )
+            checkbox.pack(side="left", padx=5)
+
+    def _on_toggle_changed(self) -> None:
+        """Handle toggle changes by replotting the graph."""
+        if not self.current_data.empty:
+            self._plot_graph_data(self.current_data)
+
     def update_graph(self, df: pd.DataFrame) -> None:
         """Update the graph with new data."""
+        self.current_data = df.copy() if not df.empty else pd.DataFrame()
+        self._plot_graph_data(df)
+
+    def _plot_graph_data(self, df: pd.DataFrame) -> None:
+        """Plot the graph data with current toggle settings."""
         self.ax.clear()
         if not df.empty:
             # Convert dates and sort
@@ -35,22 +95,30 @@ class GraphManager:
             df = df.sort_values(by="date")
             df.set_index(keys="date", inplace=True)
 
-            # Plot data series
-            self._plot_series(
-                df, "depression", "Depression (0:good, 10:bad)", "o", "-"
-            )
-            self._plot_series(
-                df, "anxiety", "Anxiety (0:good, 10:bad)", "o", "-"
-            )
-            self._plot_series(
-                df, "sleep", "Sleep (0:bad, 10:good)", "o", "dashed"
-            )
-            self._plot_series(
-                df, "appetite", "Appetite (0:bad, 10:good)", "o", "dashed"
-            )
+            # Track if any series are plotted
+            has_plotted_series = False
+
+            # Plot data series based on toggle states
+            if self.toggle_vars["depression"].get():
+                self._plot_series(
+                    df, "depression", "Depression (0:good, 10:bad)", "o", "-"
+                )
+                has_plotted_series = True
+            if self.toggle_vars["anxiety"].get():
+                self._plot_series(df, "anxiety", "Anxiety (0:good, 10:bad)", "o", "-")
+                has_plotted_series = True
+            if self.toggle_vars["sleep"].get():
+                self._plot_series(df, "sleep", "Sleep (0:bad, 10:good)", "o", "dashed")
+                has_plotted_series = True
+            if self.toggle_vars["appetite"].get():
+                self._plot_series(
+                    df, "appetite", "Appetite (0:bad, 10:good)", "o", "dashed"
+                )
+                has_plotted_series = True
 
             # Configure graph appearance
-            self.ax.legend()
+            if has_plotted_series:
+                self.ax.legend()
             self.ax.set_title("Medication Effects Over Time")
             self.ax.set_xlabel("Date")
             self.ax.set_ylabel("Rating (0-10)")